Plot Analysis Summary
A submarine officer races to recover a seized vessel, redirect its weapons, and survive an unresolved underwater confrontation.
Story Structure — 5 Plot Phases
A Submarine Vanishes
MacDonald joins Ulysses while Carter handles an apparent malfunction. After the submarine departs, its communications are blocked and it disappears.
Key Events
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MacDonald Joins Ulysses — MacDonald prepares to serve as executive officer, while Murphy helps him settle aboard the submarine. Characters: MacDonald, Murphy
Location: Ulysses
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Technical Malfunction Appears — Carter deals with what initially appears to be a technical malfunction aboard the submarine. Characters: James Carter
Location: Ulysses
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Command Communications Established — Stark works closely with Pendleton as the special communications officer. Characters: Admiral Pendleton, Lt. Cmdr. Lisa Stark
Location: Naval command
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Ulysses Disappears — The submarine departs, communications are blocked, and all radio calls go unanswered. Characters: James Carter, MacDonald, Murphy
Location: Ulysses
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Stark Searches for Carter — Pendleton sends Stark to find Carter after the submarine vanishes. Characters: Admiral Pendleton, Lt. Cmdr. Lisa Stark, James Carter
Location: Naval facility
The Recovery Mission
Pendleton sends Stark to locate Carter, who learns that Ulysses has been seized. Carter accepts the dangerous mission to recover the submarine.
Key Events
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Stark Searches for Carter — Pendleton sends Stark to find Carter after the submarine vanishes. Characters: Admiral Pendleton, Lt. Cmdr. Lisa Stark, James Carter
Location: Naval facility
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Carter Accepts Recovery Mission — Carter learns the submarine has been seized and agrees to help recover it. Characters: James Carter, Lt. Cmdr. Lisa Stark
Location: Naval facility
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Restricted Area Investigation — Carter and Stark investigate a restricted area connected to the missing submarine. Characters: James Carter, Lt. Cmdr. Lisa Stark
Location: Restricted area
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Carter Receives Infiltration Plan — Carter receives a radio and information about surviving crew members before moving toward Ulysses. Characters: James Carter, Lt. Cmdr. Lisa Stark
Location: Restricted area
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Carter Approaches Ulysses — Carter moves toward the missing submarine to infiltrate it and prevent a missile launch. Characters: James Carter
Location: Underwater approach
Inside the Hijacked Vessel
Carter infiltrates Ulysses while the hostile force pressures Robinson over the launch-trigger safe. Richter threatens Carter and orders a search of the submarine.
Key Events
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Carter Approaches Ulysses — Carter moves toward the missing submarine to infiltrate it and prevent a missile launch. Characters: James Carter
Location: Underwater approach
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Launch Safe Becomes Target — The hostile force pressures Robinson to open the launch-trigger safe as Carter moves through the vessel. Characters: Robinson, James Carter
Location: Ulysses
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Carter Fights an Attacker — Carter fights through the submarine, reports killing an attacker, and identifies Newton as part of a terrorist network. Characters: James Carter, Newton
Location: Ulysses
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Richter Threatens Carter — Richter threatens Carter and orders Avallone and Bolanne to search the submarine. Characters: James Carter, Richter, Avallone
Location: Ulysses
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Pendleton Investigates Attackers — Susan helps Pendleton investigate the attackers while Carter continues inside Ulysses. Characters: Admiral Pendleton, Susan
Location: Naval command
The Missile Countdown
Carter reaches the weapons computer during a nuclear launch countdown. He changes most controls to Harpoon missiles without destroying the mainframe.
Key Events
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Pendleton Investigates Attackers — Susan helps Pendleton investigate the attackers while Carter continues inside Ulysses. Characters: Admiral Pendleton, Susan
Location: Naval command
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Weapons Computer Accessed — Carter reaches the weapons computer and begins changing the missile controls. Characters: James Carter
Location: Ulysses weapons systems
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Nuclear Launch Countdown — Carter races against the launch countdown while the hostile force continues using the launch system. Characters: James Carter, Robinson
Location: Ulysses weapons systems
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Missile Controls Reconfigured — Carter switches most controls to the less destructive Harpoon missiles without destroying the mainframe. Characters: James Carter
Location: Ulysses weapons systems
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Safe Targeting Coordinates Supplied — Safe coordinates are supplied so the redirected weapons can target an uninhabited wasteland. Characters: James Carter, Admiral Pendleton
Location: Underwater communications channel
Battle Beneath the Trenches
The submarines enter underwater trenches and exchange torpedoes and countermeasures. The story ends during a potentially destructive final engagement without confirmed resolution.
Key Events
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Safe Targeting Coordinates Supplied — Safe coordinates are supplied so the redirected weapons can target an uninhabited wasteland. Characters: James Carter, Admiral Pendleton
Location: Underwater communications channel
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Submarines Enter Trenches — The submarine is pursued through underwater trenches as both sides maneuver and deploy countermeasures. Characters: James Carter, Richter, Dent, Murphy
Location: Underwater trenches
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Sonar Guides Evasive Maneuvers — Dent guides the crew by sonar while the submarines attempt to evade torpedoes, an avalanche, and canyon walls. Characters: Dent, Murphy, James Carter, Richter
Location: Canyon passage
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Final Torpedo Engagement — The opposing submarines prepare for a potentially destructive confrontation, with no confirmed resolution shown. Characters: James Carter, Richter, Dent, Murphy, Avallone
Location: Underwater canyon