Character Relationship Map: The Snorkel

Characters

• Paul Decker (played by Peter van Eyck) — protagonist

  Paul Decker is the central antagonist, a stepfather who murders his wife and previously disguises another killing as an accident. He repeatedly uses a snorkel and concealment beneath the villa floor t...

• Jean Edwards (played by Betta St. John) — protagonist

  Jean Edwards is Candy Brown's travelling companion from England and remains close to her during the investigation into the suspicious death. She joins the beach outing, swims out when Candy Brown is e...

• Wilson (played by William Franklyn) — supporting

  Wilson is a representative of the British Consulate who becomes involved when the death is treated as a possible suicide. He arrives with Jean Edwards in time to rescue Candy Brown, but initially dism...

• Inspector (played by Grégoire Aslan) — supporting

  The Inspector is the local Italian police official who examines the sealed-room death and initially accepts the appearance of suicide, despite the absence of a note. Paul Decker later invokes the Insp...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Jean Edwards → Inspector (Professional Witness And Authority) — Jean's testimony and actions connect her to the official investigation.

  Jean is present during the investigation and later leaves with the young woman while the Inspector is asked to examine the room.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Jean Edwards → Wilson (Alliance Protective Allies) — Jean and Wilson jointly intervene against Decker's plan.

  Jean arrives with Wilson in time to rescue the drugged young woman from the room where Decker is attempting to repeat his concealment method.

• Wilson → Inspector (Alliance Investigative Colleagues) — They participate in the official inquiry from complementary authorities.

  The local Italian Inspector and British Consulate representative Wilson are both involved in assessing the apparently sealed-room suicide.

• Paul Decker → Inspector (Conflict Deceiver And Investigator) — Decker manipulates the Inspector through a staged crime scene.

  The Inspector accepts the apparent suicide explanation because the room is sealed from inside, while Decker has staged the scene to conceal the murder...

• Paul Decker → Wilson (Conflict Deceiver And Investigator) — Decker tries to mislead Wilson, who is involved in judging the suspicious circumstances.

  Wilson is present during the investigation of the sealed-room death, while Decker fabricates evidence and later attempts another concealed killing.

• Paul Decker → Jean Edwards (Conflict Adversaries) — Jean's protection of the victim places her in opposition to Decker.

  Jean arrives in time to help rescue the drugged young woman from Decker's planned killing. She initially refuses to believe the accusation but becomes...

Story Analysis

A murderer uses a sealed-room method to conceal his crimes, but the same method ultimately traps him.

Plot Progression

1. The Sealed Room Murder — Decker kills his wife through poisoning and gas while hiding beneath the floorboards with a snorkel. The sealed room encourages the Inspector and Wilson to consider suicide.
2. Suspicion Beneath the Floor — The young woman's accusations challenge Decker's false version of events. The dog repeatedly detects the hidden snorkel, leading Decker to poison it.
3. The Beachside Attempt — A beach outing becomes another murder opportunity when Decker tries to drown the young woman. Jean's arrival in the water forces him to stop.
4. The Second Sealed-Room Plot — Decker fabricates a suicide note and drugs the young woman with milk. Jean and Wilson arrive before he can complete the repeated concealment method.
5. The Trapped Murderer — A cabinet blocks Decker's escape beneath the rug, turning his own method against him. The Inspector is finally sent to investigate the room.