Three-part drama series about a group of former Bletchley Park codebreakers. 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
The Bletchley CircleThursday, September 06, 9:00pm
Programme not available
We're sorry, this video is not currently available to view.