Narrative Connection
How these two moments in the story relate
Why These Connect
The narrative assertion
"Lernov’s discovery of the hidden directive to conceal corroded metal in the Power Room (Part 3) directly leads to the Cybermen's infiltration being exposed in Part 4, as the corroded metal was evidence of Cybermat activity."
inferred by llm_cross_episode_character
Why This Matters Across Episodes
The longer arc this connection carries
The concealment of the corroded metal (a result of Cybermat activity) enables the Cybermen to continue their infiltration unchallenged until Part 4, when Duggan is exposed as a Cyberman sleeper agent. Lernov's role in uncovering the hidden directive highlights his critical function in command—he is the one who consistently uncovers signs of infiltration that others dismiss.
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.