Story Structure — 5 Plot Phases
The Signal Behind the Sinking Ships
British intelligence links U-boat successes to a suspected transmitter aboard an interned German merchant ship. Failed attempts to seize German agents force the planners to seek another solution.
Key Events
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U-Boats Sink Merchant Ships — German U-boats sink large quantities of British merchant shipping during World War II.
Location: Indian Ocean
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The Hidden Transmitter Theory — British intelligence believes a hidden transmitter aboard an interned German merchant ship guides U-boats.
Location: British intelligence headquarters in India
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Interned Ships at Goa — Three German merchant ships are interned in neutral Portuguese Goa and cannot be conventionally attacked.
Location: Goa
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First Kidnap Attempt Fails — The Special Operations Executive authorizes an attempt to kidnap and interrogate a known German agent, but it fails.
Location: India
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Second Kidnap Attempt Fails — A second operation against another known German agent also fails, forcing a different approach.
Location: India
Volunteers for a Neutral Harbor
A territorial British unit accepts the dangerous mission and begins military preparation. Covert preparations in Goa establish the diversions needed to exploit Portuguese neutrality.
Key Events
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The Territorial Unit Is Recruited — British intelligence approaches the Calcutta Light Horse to undertake the Goa mission.
Location: India
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Volunteers Accept the Mission — The volunteers agree to serve, motivated by military training and a desire to contribute.
Location: India
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Raiders Receive Training — The volunteers undergo preparation for the covert operation against the German ships.
Location: India
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Covert Infiltration Begins — Jack Cartwright travels covertly to Goa to help prepare the raid. Characters: Jack Cartwright
Location: Goa
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Diversions Are Arranged — Covert operatives arrange diversions through blackmail and bribery before the raid. Characters: Jack Cartwright
Location: Goa
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Palace Party Distracts Authorities — A party at the Governor's palace is scheduled to draw attention away from the harbor.
Location: Governor's palace
The Agent Behind the Curtain
The Goa operation develops through bribery, staged distractions, and harbor confusion. Mrs. Cromwell is exposed as a German agent connected to Trompeta, making the mission more dangerous.
Key Events
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Harbor Diversions Multiply — A brothel offers free entry to sailors while a carnival and fireworks create further confusion.
Location: Goa harbor
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Mrs. Cromwell Is Exposed — Mrs. Cromwell is revealed as a German agent and a conduit to the German master spy known as Trompeta. Characters: Mrs. Cromwell
Location: Goa
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The Raid Sets Sail — The raiding party approaches the harbor in a barely seaworthy barge. Characters: Jack Cartwright
Location: Goa coast
Fire in the Harbor
The raiders approach by barge, plant limpet mines, and board the ship transmitting to U-boats. Violence escalates, Mrs. Cromwell kills Jack Cartwright, and the ship is destroyed.
Key Events
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Limpet Mines Are Placed — The raiders attach limpet mines to the hulls of the German ships. Characters: Jack Cartwright
Location: Goa harbor
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The Signal Ship Is Boarded — The raiders board the German ship used to transmit signals to U-boats. Characters: Jack Cartwright
Location: German merchant ship in Goa
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German Crew Is Overwhelmed — The depleted German crew is caught off guard, and several sailors are killed despite orders against shooting. Characters: Jack Cartwright
Location: German merchant ship in Goa
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Cartwright Faces Cromwell — Mrs. Cromwell attempts to kill Stewart and kills Jack Cartwright before she is eventually killed. Characters: Jack Cartwright, Mrs. Cromwell
Location: Goa
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The Ship Is Set Ablaze — The raiders set the German ship alight and withdraw from the harbor.
Location: Goa harbor
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The Ship Sinks — The raiders watch as the German ship sinks after the attack.
Location: Goa harbor
The Silence Underwater
The German ship sinks after the withdrawal. A surfacing U-boat waits for a signal that cannot arrive, confirming the raid's immediate success.
Key Events
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The Expected Signal Never Comes — A German U-boat surfaces expecting a signal from the sunken ship, but receives nothing.
Location: Indian Ocean
A German spy is passing on information about the location of Allied ships in the neutral harbor of Goa, India, with catastrophic results. Unable to undertake a full military operation in the Portuguese stronghold, English intelligence brings out of retirement a crew of geriatric ex-soldiers, veterans from World War I, using their age as cover. These old soldiers are asked to take to the seas and pull off an unlikely undercover mission.