The Bletchley Circle: Series 1 & 2

The first and second series of the ITV drama following a group of former World War II codebreakers as they attempt to make use of their skills in their post-war lives.

In the first series we meet the ladies of Bletchley Park seven years after the end of WWII.

When Susan (Anna Maxwell Martin) reads about a serial killer who has been luring young women to their deaths, she is convinced she can solve the case and enlists her former Bletchley Park colleagues to assist her.

In the second series a Bletchley Park graduate is imprisoned under a murder charge.

Jean (Julie Graham), Lucy (Sophie Rundle), Susan (Maxwell Martin) and Millie (Rachael Stirling) reunite in the hope of proving their friend's innocence.