The Serpent (1973) — AI Story Visualization

Plot Analysis Summary

A political espionage inquiry expands from one defection into a complex investigation of compromised loyalties, public scandal, and an unresolved intelligence leak.

Story Structure — 4 Plot Phases

Asylum at the Airport

Col. Alexi Vlassov seeks political asylum at a Paris airport while his wife remains in the departure lounge. A smuggled message alerts the American Embassy and disrupts efforts to question him.

Key Events

• The Value of Prior Knowledge — The story opens by explaining that secret services depend on prior knowledge. Location: Opening narration
• Paris Airport — The narrative moves to a Paris airport where Vlassov seeks political asylum. Characters: Col. Alexi Vlassov Location: Paris airport
• Vlassov Requests Asylum — The Soviet embassy official asks for political asylum while his wife remains in the departure lounge. Characters: Col. Alexi Vlassov Location: Paris airport
• Concern for His Wife — Officials fear that the Soviet Embassy may force Vlassov's wife to leave. Characters: Col. Alexi Vlassov Location: Airport departure lounge
• The Smuggled Message — A message hidden through a duty-free purchase reaches the American Embassy. Characters: Jeannine Santelli Location: Airport duty-free shop
• Jeannine Explains the Message — Jeannine explains how she discovered the message connected with Vlassov's asylum request. Characters: Jeannine Santelli Location: Airport duty-free shop

The Inquiry Widens

The story moves to a counter-espionage inquiry examining Berthon's wartime record and conflicting claims about his Resistance activity. Investigators also question Deval's private request for Berthon's help.

Key Events

• Questioning Is Halted — A French official orders Tavel to stop questioning Vlassov. Characters: French Diplomat, Col. Alexi Vlassov Location: Paris airport
• Vlassov Leaves Their Reach — Vlassov is taken away from the authorities who had attempted to question him. Characters: Col. Alexi Vlassov Location: Paris airport
• Inquiry Changes Direction — The focus shifts to a counter-espionage office undergoing a leadership change. Location: Counter-espionage office
• Berthon's Wartime Record — The new head reviews Berthon's work for Nazi propaganda during the German occupation. Location: Counter-espionage office
• Conflicting Resistance Claim — A witness later claimed that Berthon belonged to the Resistance. Location: Counter-espionage office
• Witness Revealed as Agent — The witness is identified as a Soviet agent, casting doubt on Berthon's loyalties and methods. Location: Counter-espionage office

Scandal on Air

Newspapers publicize the affair, and Berthon defends himself during a radio interview. A caller challenges him while news of two British defections transforms the inquiry into an international spy scandal.

Key Events

• Deval's Family Scandal — Investigators examine Deval after his daughter becomes involved in an apparent German blackmail operation. Location: Inquiry office
• Private Appeal to Berthon — Deval admits privately seeking Berthon's help but denies that Berthon demanded anything in return. Location: Inquiry office
• Affair Reaches Newspapers — Newspapers publicize the affair, widening public attention around the inquiry. Location: Newspaper offices and public streets
• Berthon Faces Radio Questions — Berthon denies that he has been formally punished during a radio interview. Location: Radio studio
• Caller Challenges Berthon — A caller confronts Berthon about past interrogations and questions his contacts with Soviet agents. Location: Radio studio

The Vanishing Passenger

Surveillance agents monitor a call and try to trace a meeting through a telephone number and a cab. The passenger changes vehicles, leaving the suspected leak unresolved.

Key Events

• British Officials Defect — News arrives that two British officials have defected to the East. Location: Radio studio and intelligence offices
• The Suspected Leak — Reports suggest the defectors were warned, implicating either a British intelligence officer or a French agent. Location: Intelligence offices
• A Relationship Fears Exposure — A woman connected to Berthon fears that investigators will expose their former relationship and damage her marriage. Location: Private residence
• The Monitored Call Ends — A monitored telephone call is cut short while agents attempt to trace a meeting. Location: Surveillance office
• The Cab Is Redirected — A supposed police instruction sends a cab toward Bir Hakeim Bridge. Location: Paris streets
• Passenger Switches Vehicles — The passenger changes vehicles and evades the agents pursuing the suspected meeting. Location: Bir Hakeim Bridge area
• The Leak Remains Unresolved — Agents continue searching while the suspected leak and wider inquiry remain unresolved. Location: Paris surveillance network

Story Breakdown

• Airport Defection — Vlassov's asylum request creates the first urgent intelligence crisis.
  • Asylum Request — Vlassov seeks political asylum at the Paris airport while his wife remains behind.
  • Message Intervention — A message found through a duty-free purchase alerts the American Embassy.
• Embassy Pressure — Officials try to control access to Vlassov before American intervention.
  • Questioning Halted — A French official orders the questioning to stop.
  • Vlassov Removed — Vlassov is taken beyond the authorities' reach.
• Berthon Investigation — The counter-espionage office reexamines Berthon's wartime history and disputed loyalties.
  • Propaganda Record — Investigators review Berthon's work for Nazi propaganda during the occupation.
  • Resistance Doubt — A witness's Soviet-agent status weakens the claim that Berthon belonged to the Resistance.
• Deval Connection — The inquiry tests whether Deval's private dealings with Berthon concealed an exchange.
  • Blackmail Operation — Deval's daughter is connected to an apparent German blackmail operation.
  • Private Assistance — Deval admits asking Berthon for help but denies any demanded return.
• International Scandal — Public reporting and radio confrontation connect the domestic inquiry to foreign defections.
  • Radio Interrogation — A caller challenges Berthon about past interrogations and Soviet contacts.
  • British Defections — Two British officials defect to the East after apparently receiving a warning.
• Surveillance Escape — The investigation ends with a failed attempt to trace a suspected leak through communications and transport.
  • Monitored Telephone — Agents monitor a call and attempt to identify the location of a meeting.
  • Vehicle Switch — The passenger changes vehicles near Bir Hakeim Bridge and evades pursuit.

Directed by

Henri Verneuil

Key Cast

• Yul Brynner — Col. Alexi Vlassov
• Henry Fonda — Alan Davies
• Dirk Bogarde — Philip Boyle
• Virna Lisi — Mrs. Annabel Lee
• Robert Alda — Polygraph interrogator