Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor’s shoes conceal escape key
S7E1
·
Spearhead from Space Part 1
To
Doctor escapes in stolen ambulance
S7E1
·
Spearhead from Space Part 1
Why These Connect
The narrative assertion
"The doctor finding the key in his shoe allows him to enact his plan to escape, and he makes his first move in beat 33a52890806323ed"
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.