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 59
Armed guards inspect Turing’s empty briefcase at the main gate, letting him leave with the documents hidden on his body.
- Scene 60
Turing climbs through a second-floor window into Joan’s flat, and she helps him inside.
- Scene 61
Turing and Joan discuss how message pairs could improve Christopher; she understands his Universal Machine idea, but a candle ignites the papers and she sends him out the window when the landlady approaches.
- Scene 62
This scene