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 68
Alan deciphers Christopher’s note calling him his dearest friend.
- Scene 69
Joan improves Turing’s machine calculations, and Hugh contributes a diagonal wiring change that speeds up the search; Hugh begins working with them.
- Scene 70
The team completes Christopher and powers it up, but nobody knows how long it will take to find that day’s Enigma settings.
- Scene 71
This scene
