Causal
medium strength
Narrative Connection
How these two moments in the story relate
From
Doctor uncovers sabotage during desperate rescue
S12E18
·
Revenge of the Cybermen Part 2
To
Sarah and Harry forced into custody
S12E18
·
Revenge of the Cybermen Part 2
Why These Connect
The narrative assertion
"The Doctor's accusation tying Kellman to the Cybermen is directly tied to his later explanation that gold is lethal to Cybermen, suggesting the sabotage was part of a Cyberman plan to neutralize gold's threat on Voga."
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.