Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Quarantine Ordered After Alien Death
S7E10
·
Doctor Who and The Silurians Part 6
To
Masters spreads virus at Marylebone Station
S7E10
·
Doctor Who and The Silurians Part 6
Why These Connect
The narrative assertion
"The Doctor departs for the lab to find a cure, while the Brigadier enforces the quarantine, which ultimately fails as Masters escapes, spreading the virus. This sets up Masters' arrival at Marylebone Station, visibly ill and spreading the contagion."
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.