Story Structure — 5 Plot Phases
Aboard the Troubled Ship
A young officer joins the shorthanded Altair and earns the captain's apparent trust. A medical emergency reveals the captain's inability to perform the required operation.
Key Events
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Joining the Altair — A young merchant marine officer joins the shorthanded crew of the Altair.
Location: Altair
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Medical Emergency — A sailor develops appendicitis while the ship is at sea.
Location: Altair
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The Appendix Operation — The young officer performs the appendectomy after the captain cannot make the incision.
Location: Altair
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Death in the Chain Locker — A crewman is crushed after the captain closes the chain-locker hatch.
Location: Chain locker
Authority Turns Deadly
A crewman's death in the chain locker makes the young officer suspect deliberate violence. The inquiry at San Sebastian fails to support his accusation.
Key Events
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Arrival at San Sebastian — The Altair docks at the fictional Caribbean island of San Sebastian.
Location: San Sebastian
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Board of Inquiry — An inquiry hears favorable testimony about the captain despite accusations of dangerous conduct.
Location: San Sebastian
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Fear of Losing Control — The captain privately admits to a female friend that he fears he is losing his mind.
Location: San Sebastian
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Unwanted Return Aboard — After being knocked unconscious in a port fight, the young officer is mistakenly returned to the departing ship.
Location: Port
Trapped Below Deck
The young officer is accidentally returned to the ship after being knocked unconscious in port. He fears the captain and attempts to obtain a weapon for protection.
Key Events
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The Unlocked Cabin — The young officer discovers that he can no longer lock his cabin door.
Location: Altair cabin
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The Weapons Locker — The young officer attempts to take a gun but is confronted by the captain.
Location: Altair
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Suspicious Radiogram — A radiogram asks whether the young officer is aboard the ship. Characters: First Officer Bowns
Location: Radio room
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The False Reply — The captain orders the radio operator to falsely report that the young officer is not aboard. Characters: First Officer Bowns
Location: Radio room
The Radio Deception
A suspicious radiogram exposes the captain's attempt to conceal the young officer's presence. The radio operator's planned report and subsequent disappearance deepen the crisis.
Key Events
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A Planned Report — The radio operator shows the suspicious reply and plans to report concerns about the captain's mental health. Characters: First Officer Bowns
Location: Altair cabin
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The Missing Operator — The captain orders a message claiming that the radio operator has been washed overboard.
Location: Altair
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Accusation and Restraint — The young officer accuses the captain of murder, fights him, and is tied up by crew members.
Location: Altair
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Sedated in His Bunk — First Officer Bowns administers a sedative to the restrained young officer. Characters: First Officer Bowns
Location: Young officer's bunk
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Bowns Reads the Message — First Officer Bowns receives and reads the captain's suspicious radiogram, becoming deeply alarmed. Characters: First Officer Bowns
Location: Altair
Breakdown in Darkness
The first officer and other crew members begin questioning the captain's sanity. The captain attacks the young officer, leading to a fatal struggle in the dark.
Key Events
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Bowns Reads the Message — First Officer Bowns receives and reads the captain's suspicious radiogram, becoming deeply alarmed. Characters: First Officer Bowns
Location: Altair
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Crew Doubts the Captain — Bowns discusses the message with crew members, who begin questioning the captain's sanity. Characters: First Officer Bowns
Location: Altair deck
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The Captain Overhears — The captain overhears the crew questioning his sanity and breaks down. Characters: First Officer Bowns
Location: Altair
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Struggle in the Dark — The captain enters the young officer's cabin with a knife, and a mute crewman struggles with him in darkness.
Location: Altair cabin
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Return to San Pedro — The captain is killed, the young officer is reinstated, and the ship returns to San Pedro.
Location: San Pedro