Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Polly’s voice halts execution
S4E21
·
The Underwater Menace Part 3
To
Amdo’s Betrayal and the Rebellion’s Hidden Fractures
S4E21
·
The Underwater Menace Part 3
Why These Connect
The narrative assertion
"Polly's diversion with the voice allows the Doctor and Ramo to escape, directly leading Ramo to express disbelief at Amdo's secret passage. This escape enables the rest of the episode's events."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.