

The real war heroes? Nerds with pencils who outsmarted Hitler's machines.
Using rare archive footage and exclusive interviews, this series takes you to the heart of a war that was fought far from the bombs and shells of any battlefront. A war that involved the brilliant skills of mathematicians and chess players. Revealed here are the remarkable exploits of American and British code-breakers and their immense contribution to victory in during WWII.
Acting
Derek Jacobi brings gravitas to every furrowed brow.
Production
Rare archival footage woven into dramatic reenactments.
Director
Norman de Lacy Evans
Trivia, insights & behind the scenes
Many Bletchley Park veterans took their secrets to graves; the full story stayed classified until the 1970s.
This film arguably helped spark the 'Turing redemption' era—before The Imitation Game made him a household name.