Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Polly’s forced sedation and restraint by the Cybermen directly leads to her vulnerability in the Mercury Swamp, where she and Ben are poisoned by toxic mercury fumes, creating a shared thread of bodily peril across episodes."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
This cross-episode thread highlights the escalating physical dangers faced by Polly. Her experience with Cyberman violence and confinement sets up her susceptibility to environmental threats in Episode 9, emphasizing her character’s ongoing vulnerability and resilience.
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.