This is a documentary about unsung heroes of World War II. In 1943, a 24-year-old maths student and a GPO engineer combined to hack into Hitler's personal super-code machine - not Enigma but an even tougher system, which he called his 'secrets writer'. Their break turned the Battle of Kursk, powered the D-day landings and orchestrated the end of the conflict in Europe... Read all
Director: Julian Carey
Cast:Keeley Hawes , Jerry Roberts , Jack Copeland , Paul Gannon , Frank Carter , Richard Youlden , Dan Younger , Michael Smith , Tony Sale , John Scarlett , Michele Mosca , Bill Tutte , Bill Cunningham , Tommy Flowers , Keith Moore , Kenneth Flowers , Duncan Barrett