Polo Betrays the Travelers to Tegana

In the Tun-Huang Way Station, Polo’s loyalty to the Doctor and his companions fractures under Tegana’s manipulation. After Barbara accuses Tegana of lying about her presence in the cave—where she was nearly killed—Tegana counters with a calculated falsehood: that the Doctor secretly accessed the TARDIS despite Polo’s possession of the key. Polo, already primed by Tegana’s earlier warnings about the travelers’ divisive influence, dismisses Barbara’s claims and publicly sides with Tegana. The betrayal escalates when Polo orders Ping-Cho to sever her friendship with Susan, isolating the travelers and consolidating Tegana’s control over the caravan. The scene marks a critical turning point: Polo’s trust in the Doctor is irreparably damaged, the group’s unity is shattered, and the TARDIS’s security is compromised, setting the stage for their eventual capture. Tegana’s eavesdropping from the stairs underscores her strategic dominance, while Polo’s internal conflict—between conscience and manipulation—reveals his vulnerability as a leader. The event accelerates the travelers’ isolation in a hostile environment, where Tegana’s influence now dictates their fate.

Plot Beats

The narrative micro-steps within this event

1

Barbara accuses Tegana of leading her to the cave where she was almost killed, but Tegana firmly denies it. Polo demands Barbara be quiet, siding with Tegana while dismissing Barbara's near-death experience and accusation.

Frustration to dismissal

Who Was There

Characters present in this moment

7
Marco Polo
primary

Torn between duty and manipulation, Polo oscillates between guilt and resolve. His surface demeanor is authoritative, but his internal monologue betrays deep conflict—acknowledging the caravan's discontent while rationalizing his actions as necessary for control. There's a palpable sense of regret beneath his firm commands, suggesting he knows he's being played but lacks the will to resist.

Marco Polo stands at the center of the conflict, torn between his conscience and Tegana's manipulations. He begins the scene expressing concern for Barbara's safety, reinforcing his role as a protector, but his resolve crumbles as Tegana plants seeds of doubt. Polo dismisses Barbara's truthful account of following Tegana to the cave, instead siding with Tegana's false accusation that the Doctor accessed the TARDIS without the key. His decision to order Ping-Cho to sever her friendship with Susan is a direct result of Tegana's psychological manipulation, demonstrating Polo's vulnerability as a leader. His internal monologue at the end of the scene reveals his conflicted emotional state, acknowledging the growing discontent in the caravan while justifying his actions as necessary.

Goals in this moment
  • Maintain control over the caravan and its members despite growing distrust
  • Protect the travelers (initially) while mitigating perceived threats to his authority
Active beliefs
  • The travelers' presence is a destabilizing force that must be contained
  • Tegana's warnings about the Doctor's group are grounded in truth (despite evidence to the contrary)
Character traits
Conflict-avoidant Manipulable Guilt-ridden Authoritative (but wavering) Protective (initially)
Follow Marco Polo's journey

Coldly triumphant, Tegana exudes confidence and control throughout the scene. His emotional state is one of calculated detachment—he shows no remorse for his lies or concern for the travelers' well-being. Instead, he relishes the opportunity to exploit Polo's weaknesses, his dialogue dripping with condescension and veiled threats. There's a predatory satisfaction in his actions, as if he's checking off a list of moves in a long-game strategy. His eavesdropping from the stairs underscores his need to maintain oversight, ensuring his manipulations take root.

Tegana orchestrates the entire confrontation with surgical precision, leveraging Polo's insecurities and the travelers' vulnerabilities. He begins by dismissing Polo's concern for Barbara's safety, then systematically plants doubts about the Doctor's group, culminating in the false accusation that the Doctor accessed the TARDIS without the key. Tegana's exit from the room is a calculated move—he eavesdrops from the stairs, ensuring he remains informed while allowing Polo to internalize his manipulations. His dialogue is laced with insinuation and half-truths, designed to exploit Polo's guilt and fear of division. By the end of the scene, Tegana has successfully isolated the travelers and consolidated his influence over Polo.

Goals in this moment
  • Undermine Polo's trust in the Doctor and his companions
  • Isolate the travelers by exploiting Polo's insecurities and guilt
Active beliefs
  • The travelers are a threat to Noghai's plans and must be neutralized
  • Polo's loyalty can be manipulated through guilt and fear of division
Character traits
Manipulative Strategic Deceptive Calculating Dominant
Follow Tegana's journey

Though not physically present, the Doctor's emotional state can be inferred as one of frustration and urgency. His absence from the scene is likely unintentional, but it creates an opening for Tegana to spread lies about him. The Doctor's reputation as a skeptic and a figure of authority is exploited by Tegana to undermine his credibility, leaving him vulnerable to Polo's distrust. His absence also highlights the travelers' isolation, as they are left to defend themselves without his direct intervention.

The Doctor is mentioned indirectly by Tegana as the leader of the travelers and the owner of the TARDIS. His absence from his room is used by Tegana to falsely accuse him of accessing the TARDIS without the key, a claim that Polo initially dismisses but later internalizes. The Doctor's physical absence from the scene is a narrative device that allows Tegana to control the perception of his actions, painting him as a deceptive figure who operates outside Polo's authority. The accusation against him serves as the catalyst for Polo's betrayal of the travelers, as it plays into his existing fears about division and loss of control.

Goals in this moment
  • Protect the TARDIS and his companions from external threats
  • Maintain the group's unity and trust in his leadership
Active beliefs
  • Polo can be reasoned with if given the full truth
  • Tegana is a direct threat to the group's safety
Character traits
Absent (but central to the conflict) Perceived as deceptive (by Tegana and Polo) Symbolic of authority (as leader of the travelers) Vulnerable to manipulation (due to his absence)
Follow The First …'s journey
Supporting 3

Frustrated but composed, Ian's emotional state is one of controlled urgency. He recognizes the gravity of the situation—Tegana's lies and Polo's betrayal—but chooses not to escalate the conflict directly. His focus remains on Barbara and the group's unity, though his internal frustration is palpable in his encouragement of her to speak truthfully. There's a quiet determination beneath his restraint, hinting at his readiness to act if the situation deteriorates further.

Ian Chesterton enters the room with Barbara, Susan, and Ping-Cho, standing as a supportive presence throughout the confrontation. He encourages Barbara to speak up about following Tegana to the cave, reinforcing her truthfulness. Though he does not engage in direct dialogue with Polo or Tegana, his physical presence and subtle cues (e.g., urging Barbara to defend herself) underscore his role as a protective figure within the group. His silence in the face of Polo's betrayal suggests a calculated assessment of the power dynamics at play, prioritizing the group's safety over immediate confrontation.

Goals in this moment
  • Support Barbara in defending her truthfulness and exposing Tegana's lies
  • Maintain group cohesion amid Polo's betrayal and Tegana's manipulation
Active beliefs
  • Tegana is deliberately sowing discord to undermine the group
  • Polo can still be reasoned with, but his judgment is compromised by Tegana's influence
Character traits
Supportive Strategic Protective Observant Restrained
Follow Ian Chesterton's journey
Ping-Cho
Lady
secondary

Resentful and deeply saddened, Ping-Cho's emotional state is a mix of defiance and despair. She is torn between her duty to obey Polo and her desire to stand by Susan, whom she has come to see as a true friend. The abrupt severing of their friendship leaves her feeling betrayed—not just by Polo, but by the caravan's increasingly toxic environment. Her brief protest is a rare moment of defiance, but it is swiftly crushed, leaving her with a sense of powerlessness. There's a quiet anger beneath her compliance, as if she's already begun to question her place in the caravan.

Ping-Cho enters the room with Susan and the others but is quickly targeted by Tegana's manipulations and Polo's orders. She attempts to protest when Polo commands her to move out of Susan's room, but her objection is cut short by his sharp rebuke. Her friendship with Susan, which has been a source of comfort amid the caravan's hardships, is forcibly severed. Ping-Cho's resistance is brief but meaningful—it highlights her loyalty to Susan and her growing disillusionment with Polo's leadership. Her emotional state is one of resentment and helplessness, as she is caught between obedience to Polo and her personal bonds.

Goals in this moment
  • Protect her friendship with Susan despite Polo's orders
  • Avoid drawing further attention to herself to prevent worse consequences
Active beliefs
  • Polo's decisions are unfair and driven by Tegana's influence
  • Her loyalty to Susan is more important than blind obedience to Polo
Character traits
Loyal Resentful Vulnerable Obedient (but reluctantly) Empathetic
Follow Ping-Cho's journey
Susan Foreman
secondary

Deeply distressed but stoic, Susan's emotional state is one of quiet despair. She is acutely aware of the injustice unfolding but lacks the agency to stop it. Her silence is not passive but strategic—she recognizes that speaking up could escalate the conflict and put her and her friends in greater danger. The forced separation from Ping-Cho hits her hardest, as it symbolizes the unraveling of the fragile trust and camaraderie the group has built. There's a sense of helplessness beneath her composure, as if she's bracing for worse to come.

Susan enters the room with Ian, Barbara, and Ping-Cho but remains silent throughout the confrontation. Her physical presence is a quiet counterpoint to the escalating tension, and her friendship with Ping-Cho becomes a direct target of Tegana's manipulations. When Polo orders Ping-Cho to move out of Susan's room, Susan's distress is palpable, though unspoken. Her silence speaks volumes—it reflects her awareness of the precarious situation and her inability to intervene without risking further retaliation. Her bond with Ping-Cho is severed abruptly, leaving her emotionally vulnerable and isolated.

Goals in this moment
  • Protect Ping-Cho from further harm or manipulation
  • Avoid escalating the conflict by remaining silent (for now)
Active beliefs
  • Tegana's manipulations are deliberate and dangerous
  • Polo is being deceived but may not realize it
Character traits
Empathetic Vulnerable Observant Loyal Restrained
Follow Susan Foreman's journey
Chenchu

Chenchu is mentioned indirectly by Tegana as the source of information about the Doctor's absence from his room. Though he …

Objects Involved

Significant items in this scene

2
TARDIS (Time and Relative Dimension in Space)

The TARDIS serves as the symbolic prize in Tegana's manipulation of Marco Polo. Tegana falsely accuses the Doctor of accessing the TARDIS without the key, despite Polo's possession of it, to undermine the travelers' credibility and justify their isolation. The TARDIS's advanced technology and its role as a means of escape make it a coveted asset, and Tegana's lies about it exploit Polo's fears of losing control over the caravan. The object's mere existence as a 'flying caravan' is used to stoke Polo's paranoia, framing the Doctor and his companions as a threat rather than allies. By the end of the scene, the TARDIS's security is compromised as Polo's trust in the Doctor is shattered, setting the stage for its eventual seizure.

Before: The TARDIS is locked and under Polo's control, …
After: The TARDIS remains physically intact but is now …
Before: The TARDIS is locked and under Polo's control, with the key in his possession. It is positioned at the Sinju way station, and the Doctor has been working on repairs. The travelers' reliance on it for their eventual escape is implicit, though its full capabilities remain a mystery to Polo and the caravan members.
After: The TARDIS remains physically intact but is now a point of contention. Polo's distrust of the Doctor has been exploited by Tegana, and the travelers' access to it is indirectly threatened. The stage is set for its eventual seizure, as Polo's authority over the caravan is used to justify isolating and capturing the group. The TARDIS's symbolic value as a prize in Noghai's power struggle is reinforced, making it a central target in the unfolding conflict.
TARDIS Access Key (Marco Polo's Journal)

Marco Polo's TARDIS key is a tangible symbol of his authority over the caravan and its members. Tegana uses the key as a focal point in his manipulation of Polo, asking whether a 'magician' like the Doctor would need a key to open the TARDIS. This rhetorical question is designed to plant doubt in Polo's mind, suggesting that the Doctor's power extends beyond Polo's control. The key becomes a metaphor for Polo's perceived loss of authority—if the Doctor can access the TARDIS without it, then Polo's leadership is meaningless. By the end of the scene, the key has been used to justify Polo's betrayal of the travelers, as he cites Kublai Khan's power to seize the TARDIS and isolate the group.

Before: The key is in Polo's possession, symbolizing his …
After: The key remains in Polo's possession, but its …
Before: The key is in Polo's possession, symbolizing his control over the TARDIS and, by extension, the travelers. It is a physical manifestation of his authority as the caravan's leader, though its true significance (as a means to operate the TARDIS) is unknown to him.
After: The key remains in Polo's possession, but its symbolic power has been undermined by Tegana's manipulations. Polo's trust in the Doctor is shattered, and the key is now a tool for justifying the travelers' isolation and the eventual seizure of the TARDIS. The key's role shifts from a symbol of Polo's authority to a weapon in Tegana's campaign to consolidate control over the caravan.

Location Details

Places and their significance in this event

2
Tun-Huang Way Station Stairs

The Tun-Huang Way Station stairs play a crucial role in Tegana's manipulation of the scene. After leaving the main hall, Tegana retreats to the top of the stairs, securing a shadowed vantage point from which to eavesdrop on the escalating confrontation below. The stairs function as a metaphor for Tegana's surveillance and control—she remains physically present but unseen, allowing her to monitor the situation and adjust her strategy as needed. The faint echoes of accusations and commands carry upward through the dim stairwell, heightening the tension and underscoring the way station's role as a web of betrayal. The stairs' physical separation from the main hall also symbolizes Tegana's emotional detachment from the consequences of her actions.

Atmosphere Shadowed and oppressive, with a sense of hidden observation. The stairs are a liminal space—neither …
Function Observation point for Tegana's surveillance and strategic eavesdropping
Symbolism Represents the insidious nature of manipulation and the ease with which trust can be undermined …
Access Restricted to Tegana's use for surveillance; others are unaware of her presence
Dim, flickering torchlight casting long shadows Faint echoes of voices carrying upward from the main hall Narrow, confined space that amplifies the sense of isolation
Cave of Five Hundred Eyes

The Tun-Huang Way Station serves as the neutral ground where the confrontation between Polo, Tegana, and the travelers unfolds. Its confined, tension-filled interior amplifies the emotional stakes of the scene, as the characters are physically and psychologically trapped within its walls. The station's role as a waypoint on the caravan's journey underscores the transient nature of the travelers' presence, making their isolation feel more acute. The stairs, where Tegana eavesdrops, add a layer of surveillance and manipulation, turning the location into a stage for power dynamics and betrayal. The station's atmosphere is one of growing discontent, as Polo's internal monologue reveals his awareness of the caravan's fracturing unity.

Atmosphere Tension-filled with whispered conversations, sharp commands, and unspoken betrayals. The air is thick with distrust, …
Function Stage for public confrontation and private manipulation
Symbolism Represents the fragility of trust and the ease with which alliances can be broken in …
Access Open to all caravan members but heavily monitored by Tegana and Polo
Dimly lit interior with flickering torchlight Narrow stairwell where Tegana eavesdrops, casting long shadows Confined space that amplifies raised voices and tense silences

Organizations Involved

Institutional presence and influence

2
Mongol Bandits (Tegana's Military Faction)

Tegana's faction of Mongols is represented indirectly through Tegana's actions and manipulations. Though the faction itself does not appear physically in the scene, its influence is palpable in Tegana's calculated lies and psychological warfare against Polo and the travelers. Tegana's goal of seizing the TARDIS for Noghai's war machine is advanced through her exploitation of Polo's insecurities and the caravan's growing discontent. Her ability to manipulate Polo into isolating the travelers demonstrates the faction's strategic prowess, as it weakens the caravan's unity and paves the way for future ambushes. The Mongols' presence is felt in the broader context of the caravan's journey, where Noghai's forces operate as a shadowy threat.

Representation Via Tegana's actions as a spokesman and agent of Noghai's faction
Power Dynamics Exercising indirect authority over Polo through manipulation and psychological pressure. The faction's power is leveraged …
Impact The faction's actions deepen the caravan's internal conflicts, making it more vulnerable to external threats. …
Internal Dynamics Tegana operates with autonomy but remains accountable to Noghai's broader strategy. Her ability to manipulate …
Undermine Polo's trust in the Doctor and his companions to isolate them Consolidate control over the caravan by exploiting internal divisions Psychological manipulation of key figures (Polo, Chenchu) Spread of disinformation and false accusations Exploitation of Polo's guilt and fear of losing authority
Noghai's Warlord Faction (Noghai's Invasion Force)

Noghai's Army is the ultimate beneficiary of Tegana's manipulations in this scene. Though the army itself does not appear directly, its influence is felt through Tegana's actions as an emissary and spy. Noghai's goal of seizing the TARDIS and undermining Kublai Khan's authority is advanced through Tegana's lies and the isolation of the travelers. By turning Polo against the Doctor's group, Tegana weakens the caravan's defenses and creates an opportunity for Noghai's forces to strike. The army's power dynamics are characterized by indirect control—Noghai's influence is exerted through proxies like Tegana, who operate within the caravan to achieve his objectives. The scene sets the stage for a broader conflict, where Noghai's forces will capitalize on the caravan's disunity to launch an ambush.

Representation Through Tegana's actions as an emissary and agent of Noghai's war machine
Power Dynamics Exercising indirect authority over the caravan through Tegana's manipulations. Noghai's power is leveraged by exploiting …
Impact The army's actions deepen the caravan's instability, making it more susceptible to external attacks. By …
Internal Dynamics Noghai's strategy relies on decentralized operations, with agents like Tegana acting autonomously but in alignment …
Isolate the Doctor and his companions to facilitate their capture Undermine Polo's leadership to weaken the caravan's unity Deployment of spies (Tegana) to spread disinformation Exploitation of Polo's insecurities and guilt Creation of internal conflicts to divide the caravan

Narrative Connections

How this event relates to others in the story

What led here 6

"The events at the cave, specifically Barbara's pursuit of Tegana, lead directly to Tegana sowing distrust between Polo and the travelers upon their return."

Doctor confronts Tegana with Barbara’s handkerchief
S1E17 · The Wall of Lies

"The events at the cave, specifically Barbara's pursuit of Tegana, lead directly to Tegana sowing distrust between Polo and the travelers upon their return."

Ian discovers the hidden door in the cave
S1E17 · The Wall of Lies

"Tegana's manipulation attempts to discredit Barbara, denying the events that occurred in the cave. Polo then demands Barbara be quiet, siding with Tegana."

Tegana manipulates Polo against the travelers
S1E17 · The Wall of Lies

"The Doctor's attempt to expose Tegana leads to further distrust and Barbara's accusation, reflecting Tegana's manipulative nature."

Doctor confronts Tegana with Barbara’s handkerchief
S1E17 · The Wall of Lies

"The Doctor's attempt to expose Tegana leads to further distrust and Barbara's accusation, reflecting Tegana's manipulative nature."

Ian discovers the hidden door in the cave
S1E17 · The Wall of Lies

"Tegana escalates his manipulation, building on initial distrust to plant deeper seeds of doubt about the travelers and their 'caravan that flies'."

Tegana manipulates Polo against the travelers
S1E17 · The Wall of Lies
What this causes 11

"Polo separates Ping-Cho and Susan, the Doctor mentions he is nearly done with the circuit repairs."

Doctor reveals Ping-Cho’s TARDIS exposure
S1E17 · The Wall of Lies

"Polo separates Ping-Cho and Susan, the Doctor mentions he is nearly done with the circuit repairs."

Doctor reveals Ping-Cho’s TARDIS exposure
S1E17 · The Wall of Lies

"Tegana's manipulation attempts to discredit Barbara, denying the events that occurred in the cave. Polo then demands Barbara be quiet, siding with Tegana."

Tegana manipulates Polo against the travelers
S1E17 · The Wall of Lies

"Barbara's accusation in scene 3 echoes in Ping-Cho's attempt to convince Polo in scene 7, both attempts to expose Tegana's lie."

Ping-Cho’s Evidence Rejected by Polo
S1E17 · The Wall of Lies

"Barbara's accusation in scene 3 echoes in Ping-Cho's attempt to convince Polo in scene 7, both attempts to expose Tegana's lie."

Polo dismisses Ping-Cho’s evidence against Tegana
S1E17 · The Wall of Lies

"Following Polo's action to separate Susan and Ping-Cho, Susan notices Ping-Cho's distress, reflecting on the negative impact of the separation."

Susan reveals TARDIS key location to Tegana
S1E17 · The Wall of Lies

"Following Polo's action to separate Susan and Ping-Cho, Susan notices Ping-Cho's distress, reflecting on the negative impact of the separation."

Ping-Cho’s fear of abandonment surfaces
S1E17 · The Wall of Lies

"Following Polo's action to separate Susan and Ping-Cho, Susan notices Ping-Cho's distress, reflecting on the negative impact of the separation."

Susan and Ping-Cho plot Tegana’s exposure
S1E17 · The Wall of Lies

"Tegana escalates his manipulation, building on initial distrust to plant deeper seeds of doubt about the travelers and their 'caravan that flies'."

Tegana manipulates Polo against the travelers
S1E17 · The Wall of Lies

"Tegana's manipulation of Marco Polo starts with his growing concern of the travelers to now finally using that manipulation to take the TARDIS."

Polo seizes the TARDIS under Tegana’s influence
S1E17 · The Wall of Lies

"Tegana's manipulation of Marco Polo starts with his growing concern of the travelers to now finally using that manipulation to take the TARDIS."

Tegana seizes the TARDIS through manipulation
S1E17 · The Wall of Lies

Themes This Exemplifies

Thematic resonance and meaning

Key Dialogue

"TEGANA: 'They will set us at each other's throats by lies and deceit, and then, when they have divided us, then they will destroy us one by one.'"
"BARBARA: 'I followed you there.' TEGANA: 'Me? I've only been there once, and you were there when I arrived.'"
"POLO: 'Ping-Cho, you will remove your belongings to another room. From this night on, you will not share with Susan again.' PING-CHO: 'But Messer Marco...' POLO: 'Obey me!'"