Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor proves water poisoning conspiracy
S1E34
·
A Race Against Death
To
Doctor confirms atropine in palace water
S1E34
·
A Race Against Death
Why These Connect
The narrative assertion
"Following the taking of water samples, a sample tests positively for the poison, proving that there is poison in the water and confirming that Ian's condition is due to poison."
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.