
The story of Victorian serial killer Mary Ann Cotton, a poisoner whose methods leave no visible scars, allowing her tally of victims to mount, unsuspected by a Victorian society unable to conceive of a woman capable of such terrible crimes. Traveling around the North East, she insinuates herself into unsuspecting families, marrying and creating new families of her own - before killing them, taking their money and moving on.
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Last updated 6/6/2026
Rows are episode numbers, columns are seasons. Every rated cell shows its numeric score.
Weighted episode-level summaries calculated from the configured ratings source.
Best episode
S1E1 Episode #1.1 (7.0)
Consistency score
100/100
Std dev 0.00
Rated episodes
2
250 total votes
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