Story Structure — 4 Plot Phases
The V-Weapon Threat Emerges
German V-1 and V-2 development faces technical hurdles, prompting Churchill to order Duncan Sandys to investigate. Despite Professor Lindemann's scientific dismissal, Sandys authorizes the Peenemünde raid, forcing production underground.
Key Events
-
V-1 Prototype Testing Crisis — Technical failures and pilot deaths force Germans to develop a crewed V-1 prototype. Location: German Test Facility
-
Churchill's V-Bomb Directive — Churchill orders Sandys to investigate rumored flying bomb developments. Characters: Duncan Sandys
Location: British War Office
-
Lindemann's Scientific Dismissal — Lindemann dismisses V-bomb reports despite Sandys's conviction in the intelligence. Characters: Professor Lindemann, Duncan Sandys
Location: British War Office
-
Peenemünde Aerial Raid — Bomber Command launches a raid to destroy the rocket development facility. Characters: Duncan Sandys
Location: Peenemünde Rocket Complex
-
Mittelwerk Underground Relocation — German production moves underground to continue V-2 development. Location: Mittelwerk Factory
Covert Infiltration and Sacrifice
British intelligence recruits Robert Henshaw and others for a factory infiltration mission. Henshaw is arrested, forced to act as an informant, and ultimately executed for refusing to betray his mission.
Key Events
-
Mittelwerk Underground Relocation — German production moves underground to continue V-2 development. Location: Mittelwerk Factory
-
Covert Agent Recruitment — British intelligence recruits Henshaw and two others as engineers for infiltration. Characters: Robert Henshaw
Location: British Safehouse
-
Henshaw's Arrest and Interrogation — Henshaw is arrested under a false identity but agrees to act as an informant. Characters: Robert Henshaw
Location: German Police Station
-
Henshaw's Execution — Henshaw is shot after refusing to cooperate and revealing his mission. Characters: Robert Henshaw
Location: German Interrogation Room
-
Factory Infiltration Begins — Agents successfully infiltrate the underground rocket factory under false identities. Characters: Robert Henshaw
Location: Mittelwerk Underground
-
V-2 Launch Threat Escalates — Devastating V-2 attacks begin, highlighting the urgent need to destroy the factory. Location: London Sky
Underground Siege and Exposure
Agents infiltrate the Mittelwerk factory to locate the powerhouse switch. German security reviews records, exposes the false identities, and seals the agents in the powerhouse during an air raid.
Key Events
-
V-2 Launch Threat Escalates — Devastating V-2 attacks begin, highlighting the urgent need to destroy the factory. Location: London Sky
-
Powerhouse Objective Identified — Agents learn they must open launch doors to expose the facility to bombing. Characters: Robert Henshaw
Location: Factory Powerhouse
-
Undercover Agent Suspicion — German security reviews staff photos, searching for familiar faces among engineers. Location: Factory Records Office
-
Identity Exposed — Security realizes the impersonated identity does not match factory records. Characters: Robert Henshaw
Location: Factory Records Office
-
Powerhouse Siege Begins — Agents head to the powerhouse while security seals the room and takes hostages. Characters: Robert Henshaw
Location: Factory Powerhouse
-
Bargaining and Standoff — Security demands surrender using captured agents as bargaining chips. Characters: Robert Henshaw
Location: Factory Powerhouse
Destruction and Aftermath
A captured agent sacrifices himself to relay switch instructions. The lever is pulled, doors open, and RAF bombs obliterate the facility. Sandys receives credit and is tasked with rebuilding London.
Key Events
-
Bargaining and Standoff — Security demands surrender using captured agents as bargaining chips. Characters: Robert Henshaw
Location: Factory Powerhouse
-
Sacrificial Signal — A captured agent lunges for the microphone to relay switch instructions, then is shot. Characters: Robert Henshaw
Location: Factory Powerhouse
-
Lever Activation and Firefight — Agent pulls the lever to open doors while shooting attacking workers. Characters: Robert Henshaw
Location: Factory Powerhouse
-
Factory Obliteration — RAF bombs explode as the rocket lifts off, destroying the underground facility. Location: Mittelwerk Factory
-
Churchill's Debrief — Churchill congratulates Sandys and acknowledges the critical nature of the Peenemünde raid. Characters: Duncan Sandys
Location: British War Office
-
Sandys's Promotion and Rebuilding — Sandys is appointed Minister of Works, focusing on rebuilding London. Characters: Duncan Sandys
Location: British War Office
Allied agents infiltrate the Nazi rocket complex at Peenemunde in order to obtain their secrets and sabotage the plant. The film alternates between German developments of the V-1 missile and V-2 rocket (with a German cast speaking their own language) and discovery by British Intelligence of the weapon.