Alfred Hitchcock's taut wartime thriller concerns a handful of survivors who climb into a lifeboat after their ship is torpedoed by a German U-boat. The captain (Walter Slezak) of the U-boat, which has also sunk, swims to the already crowded boat and is taken aboard by the kind-hearted
survivors. Since he is the only man capable of handling the craft in rough weather and navigating it to a safe harbor, he is elected helmsman. The survivors are an odd lot--fashion writer Connie Porter (Tallulah Bankhead), industrial tycoon Rittenhouse (Henry Hull), socially conscious seaman Kovak
(John Hodiak), wounded stoker Gus (William Bendix), meek radio operator Stanley Garrett...