Story Structure — 4 Plot Phases
Into the Black Pit
Allied convoy HX-25 enters the Mid-Atlantic gap without air cover. Commander Krause assumes escort command while intercepting the first U-boat signals. Initial skirmishes establish the wolfpack's predatory positioning.
Key Events
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Convoy Enters Black Pit — Thirty-seven ships enter the air cover gap under escort command. Location: Mid-Atlantic Gap
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First U-Boat Intercept — Radio intercepts German transmission, revealing approaching submarine. Location: Greyhound Bridge
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Sinking First Submarine — Greyhound successfully sinks the first U-boat with depth charges. Location: Open Sea
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Greek Merchant Ship Sunk — Wolfpack U-boat sinks a Greek merchant vessel near the convoy. Location: Convoy Perimeter
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Torpedo Evasion and Intel — Greyhound evades a torpedo and receives wolfpack positioning data. Location: Greyhound Bridge
The Wolfpack Unleashed
The enemy submarine deploys decoy devices to waste depth charges and sinks an oil tanker. Nightfall triggers a coordinated wolfpack assault that destroys multiple merchant vessels. Tensions rise as escorts struggle with limited munitions.
Key Events
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Torpedo Evasion and Intel — Greyhound evades a torpedo and receives wolfpack positioning data. Location: Greyhound Bridge
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Oil Tanker Torpedoed — U-boat uses decoy to waste depth charges and sinks an oil tanker. Location: Sea Surface
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Rescue and Supply Loss — Krause rescues survivors but loses a supply ship to the attack. Location: Tanker Wreckage
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Grey Wolf Radio Taunt — Enemy submarine identifies itself and mocks the convoy defenses. Location: Radio Waves
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Nightfall Wolfpack Attack — Wolfpack strikes at night, sinking three additional merchant ships. Location: Darkened Sea
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Decoy Device Deployment — U-boat releases decoy to mislead escorts and waste munitions. Location: Sea Surface
Desperation and Sacrifice
Combined surface attacks sink a U-boat but result in heavy casualties and the loss of the Polish destroyer. Krause breaks radio silence to request reinforcements, shifting the strategic balance. The convoy faces its lowest point as resources dwindle.
Key Events
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Nightfall Wolfpack Attack — Wolfpack strikes at night, sinking three additional merchant ships. Location: Darkened Sea
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Combined Broadside Attack — Greyhound and Dodge sink a U-boat using coordinated surface fire. Location: Close Range Sea
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Casualties and Burial — Crew conducts burial service while another Allied ship sinks nearby. Location: Greyhound Deck
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Eagle Sinks and Abandon — Polish destroyer sinks after heavy damage, crew is rescued. Location: Sea Surface
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Breaking Radio Silence — Krause breaks silence to request help, receives reinforcement coordinates. Location: Greyhound Radio Room
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Depth Charge Depletion — Escort reports critically low depth charge reserves. Location: Greyhound Bridge
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Port Side Hull Breach — Enemy deck gun strikes Greyhound's port side during close combat. Location: Greyhound Hull
Breaking the Siege
Greyhound destroys the Grey Wolf with a full broadside while RAF Catalina eliminates the second U-boat. HMS Diamond arrives to relieve the exhausted escorts. The convoy reaches friendly waters, and Krause finally rests after the grueling battle.
Key Events
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Breaking Radio Silence — Krause breaks silence to request help, receives reinforcement coordinates. Location: Greyhound Radio Room
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Sinking Grey Wolf — Greyhound destroys the primary enemy U-boat with a devastating broadside. Location: Sea Surface
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RAF Catalina Intervention — Flying boat marks target location and sinks the second U-boat. Location: Air and Sea
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HMS Diamond Relief — Diamond arrives to take over escort duties, orders port repairs. Location: Convoy Perimeter
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Victory Cheers and Repairs — Crew receives congratulations, convoy ships cheer the escort team. Location: Derry Port
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Krause Final Sleep — Commander finally rests in his cabin after the intense battle. Location: Greyhound Cabin
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Rendezvous Point Shift — Admiralty adjusts reinforcement meeting point for air cover arrival. Location: Radio Transmission
WWII drama from film-maker Christopher Forbes which follows American fighter pilots on a perilous mission into the skies of enemy territory.