Four women specialists in pattern recognition who were involved in cracking the Enigma Code in World War Two work together to solve murders after being rebuffed by the police.
Actors:
regulars:,
Julie Graham as Jean,
Rachael Stirling as Millie,
Sophie Rundle as Lucy,
Anna Maxwell Martin as Susan,
Mark Dexter as Timothy,
Hattie Morahan as Alice,
Faye Marsay as Lizzie,
Nick Blood as Ben Gladstone,
Ed Birch as Harry,
Michael Gould as Deputy Commissioner Wainwright,
Elliot Kerley as Sam,
Jocelyn Macnab as Claire,
Steven Robertson as Crowley,
Genre: Drama
