Action in the North Atlantic

While carrying war goods to America's Russian allies, a merchant marine ship is torpedoed. The courage of the captain and his first mate serves as an inspiration to the survivors, who manage to navigate their lifeboat to America, where they are celebrated as heroes. After only a brief period of leave, during which the captain reunites with his wife and the first mate meets a girl, the crew is assigned a new Liberty Ship, and once more confronts the Nazis in the Atlantic. (official distributor synopsis)