Season 1 (2012)
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Episodes 3
1
Cracking a Killer's Code: Part 1
September 6, 2012
• 45m
When Susan Gray spots a hidden pattern in a series of murders, she tries to inform the police. But when they and her husband insist she forget her theory Susan enlists her wartime friends to try and track down the murderer.
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2
Cracking a Killer's Code: Part 2
September 13, 2012
• 45m
As Susan and the other Bletchley women close in on the murderer of the five girls, a shocking discovery calls their theories into question and forces them to set a dangerous trap - a trap that puts one of them in even greater danger.
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3
Cracking a Killer's Code: Part 3
Season Finale
September 20, 2012
• 45m
Thrown into a chilling confrontation with the murderer they have so brilliantly tracked down, Susan and the other Bletchley women become locked into a ever more dangerous game of cat and mouse that leads to a seemingly inescapable conclusion.
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