Season 1, Episode 3 Cracking a Killer's Code, Part 3
First Aired: May 5, 2013
In the Season 1 finale, the killer becomes obsessed with Susan and plants a series of false clues in order to lead her into a trap.
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- Premiered: September 6, 2012
- Rating: TV-PG
- Premise: Four female ex-code breakers in post-WWII Britain investigate a series of murders that seem to share a pattern (more)