Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Wagstaffe’s Blocked Call Exposes Cover-Up
S7E1
·
Spearhead from Space Part 1
To
Assassins abduct the Doctor from hospital
S7E1
·
Spearhead from Space Part 1
Why These Connect
The narrative assertion
"Wagstaffe discovers that the phone line is occupied. This is because it is being occupied by the man who helps kidnap the doctor"
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.