The Bletchley Circle follows the journey of four ordinary women with extraordinary skills that helped to end World War II.

Set in 1952, Susan, Millie, Lucy and Jean have returned to their normal lives, modestly setting aside the part they played in producing crucial intelligence, which helped the Allies to victory and shortened the war.

When Susan discovers a hidden code behind an unsolved murder she is met by skepticism from the police. She quickly realises she can only begin to crack the murders and bring the culprit to justice with her former friends.

The Bletchley Circle paints a vivid portrait of post-war Britain in this fictional tale of unsung heroes.

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"A retro-detective yarn....like Foyle's War, but with prettier faces" - Daily Express

"A highly engaging, pre-feminist Prime Suspect" - Metro

"Jolly good fun" - The Guardian

"The concept is so irresistable, the cast is so watchable" - The Mirror

Episode Guide

1. First Broadcast: 6th September 2012

Susan tries to convince the police there is a fourth body murdered by a serial sex killer but the police are unable to locate it and dismiss her. Enlisting her three war time colleagues to solve the murders and find the killer they refuse until another girl goes missing. With dilligent research of the facts they find the missing girl.

2. First Broadcast 13th September 2012

Susan and her friends close in on the killer of the five girls, narrowing their list of suspects down to three men. However, a shocking discovery forces them to change their theories and they set a trap to catch the culprit using Lucy as bait - but the operation goes horribly wrong. 

3. First Broadcast 20th September 2012

Returning with the police all trace of the killer has gone but he sends a coded message to Susan which leads to the body of Cavendish who has apparently killed himself. With the police disinterested the women delve into war time records of their suspect and Susan walks into a trap set for her by the killer.

DVD Extras

Behind the Scenes

Cast Filmographies

Picture Gallery

Subtitles