Plot Analysis Summary
A submarine crew confronts military duty, personal guilt, fractured trust, and a final high-risk attack.
Story Structure — 5 Plot Phases
The Human Cost Of Orders
The submarine receives orders to attack a Japanese carrier convoy. The discovery of American prisoners aboard an escorting transport turns the mission into a moral crisis.
Key Events
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Convoy Mission Assigned — An American submarine receives orders to attack a Japanese convoy in October 1942.
Location: Pacific Ocean
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Carrier Identified — The convoy includes a Japanese carrier associated with the Pearl Harbor attack.
Location: Greyfish
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Prisoner Transport Revealed — The crew learns that an escorting transport carries American prisoners from the Philippines.
Location: Greyfish
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Command Responsibility Debated — The second-in-command offers to handle the attack to spare the commander personal responsibility.
Location: Submarine command area
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Targets Close Together — The prisoner transport moves dangerously close to the Japanese carrier.
Location: Pacific Ocean
Torpedoes And Guilt
The attack is launched while the carrier and prisoner transport are dangerously close together. A torpedo strikes the transport, forcing the submarine to abandon survivors under enemy threat.
Key Events
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Torpedoes Launched — The submarine fires while attempting to miss the transport and strike the carrier.
Location: Pacific Ocean
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Transport Struck — The crew realizes that one torpedo has hit the prisoner transport.
Location: Pacific Ocean
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Survivors Abandoned — Women and children reach for wreckage while the submarine leaves to protect its crew.
Location: Pacific Ocean
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Carrier Pursued — The submarine follows the carrier into Tokyo Bay but fails to sink it.
Location: Tokyo Bay
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Depth Charge Attack — Japanese forces subject the submarine to a relentless depth-charge bombardment.
Location: Tokyo Bay
A Conditional Second Chance
After surviving depth charges, the submarine returns to Pearl Harbor. A promotion dispute and a conditional new mission intensify mistrust within the command structure.
Key Events
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Return to Pearl Harbor — The damaged submarine survives and returns to its American base.
Location: Pearl Harbor
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Promotion Offered — A senior admiral offers the second-in-command his own command.
Location: Pearl Harbor
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Promotion Refused — The offer is refused because the commander is considered fit to continue leading.
Location: Pearl Harbor
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Final Mission Granted — The submarine receives one more opportunity to attack the carrier.
Location: Pearl Harbor
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Remote Patrol Assigned — The submarine is sent to a quiet patrol area off Alaska.
Location: Alaskan coast
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Command Trust Fractures — The commander believes he has been betrayed and reveals he knew about the promotion offer.
Location: Greyfish
Blind Run Into Kiska
The carrier's movement to Kiska Harbor renews the pursuit. With its periscope and radio antenna disabled, the submarine attempts a nearly blind attack.
Key Events
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Command Trust Fractures — The commander believes he has been betrayed and reveals he knew about the promotion offer.
Location: Greyfish
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Carrier Heads For Kiska — New information reports that the carrier is heading toward Japanese-occupied Kiska Harbor.
Location: Alaskan waters
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Periscope Disabled — An initial encounter disables the submarine's periscope and destroys its radio antenna.
Location: Kiska Harbor
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Blind Attack Launched — Despite limited visibility and communication, the submarine launches a second attack.
Location: Kiska Harbor
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Submarine Forced Down — A depth-charge attack forces the submarine onto the ocean floor.
Location: Seabed near Kiska Harbor
Escape And Confirmation
Depth charges force the submarine onto the seabed, and the crew escapes with Momsen lungs. A rescue submarine confirms that the carrier has finally sunk.
Key Events
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Submarine Forced Down — A depth-charge attack forces the submarine onto the ocean floor.
Location: Seabed near Kiska Harbor
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Crew Uses Momsen Lungs — The crew escapes the doomed submarine using Momsen lungs.
Location: Disabled submarine
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Rescue By Bluefin — Another American submarine rescues the survivors from the surface.
Location: Open sea
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Carrier Sinking Confirmed — The rescue submarine confirms that the Japanese carrier has sunk.
Location: Bluefin
A submarine commander is on a relentless pursuit of a Japanese aircraft carrier in the South Seas during World War II.