Action in the North Atlantic

Merchant Marine sailors Joe Rossi (Humphrey Bogart) and Steve Jarvis (Raymond Massey) embark on a perilous mission to deliver a supply vessel to their Russian allies within a convoy. As they traverse the treacherous Atlantic, they face relentless assaults from a German U-boat. Determined to avenge the sinking of one of their previous ships, Rossi and Jarvis skillfully maneuver through hostile waters, showcasing their resilience against the formidable Nazi naval forces. Their journey becomes a test of bravery and camaraderie, underscoring the stakes of wartime sacrifice and the fight against tyranny.