The Imitation Game · written by Graham Moore · 2014

The assistant passes armed guards and security checkpoints on her way to the cryptanalysis huts.

Scene 27 of 130 · ≈ 1 min on screen · Act one

Act oneAct twoAct three

Begins 25 min into a 1:57 film

The story so farBefore scene 27

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.
Just before
Scene 24
A German submarine receives the convoy coordinates and turns toward the ships as Turing explains that intercepted signals carry attacks and orders through the air.
Scene 25
A WREN intercepts the submarine-related message at Bletchley, writes down gibberish, and adds it to the growing pile of encrypted traffic.
Scene 26
An assistant carries the intercept through the crowded Bletchley grounds while Turing describes the immense number of possible Enigma settings.
Scene 27
This scene

27EXT. BLETCHLEY PARK - HUT 8 - DAY

— The Female Assistant hurries past ARMED GUARDS and SECURITY CHECKPOINTS into —