At Bletchley Park, Alan Turing must persuade a skeptical team to build a machine that can break Enigma before the war is lost, while concealing the self the law condemns.
- Scenes 1–12
Turing is investigated as a guarded outsider in 1951, then enters Bletchley in 1939 looking for the puzzle he can solve.
- Scenes 13–30
He sees the scale of Enigma, believes a machine can solve it, and grows isolated from colleagues who make little progress.
- Scenes 31–50
Churchill’s order gives Turing authority and his half-built machine advances toward sustained work.
- Just before
- Scene 84
During a beer-hut gathering, Helen explains that her German counterpart’s messages repeatedly begin with ‘CILLY’; Turing sees that predictable text can break Enigma and rushes out.
- Scene 85
The team chases Turing through guarded Bletchley grounds into Hut 8.
- Scene 86
Turing spreads old decrypts across the floor and identifies recurring weather and Hitler phrases as known text that can narrow Christopher’s search; Joan finds that morning’s message.
- Scene 87
This scene
