Barbara Wright's struggle to expose Tegana's deception amidst Polo's blind trust and escalating danger, culminating in her capture.

Tegana returns to the caravan with a flimsy explanation for his absence—claiming bandits forced him to hide overnight—but his story unravels under Barbara’s scrutiny. While Polo dismisses her concerns, Barbara …

In the Cave of Five Hundred Eyes, Tegana and Acomat finalize their treacherous plan to ambush Polo’s caravan and seize the TARDIS for Noghai’s army. Malik abruptly interrupts the meeting …