Series 1

Series 1

Available on Acorn TV
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. Starring Anna Maxwell-Martin, Rachael Stirling, Sophie Rundle and Julie Graham.