Lloyd Bacon, Byron Haskin, Raoul Walsh
An American tanker is sunk by a German U-boat, and the survivors spend 11 days at sea on a raft. Their next assignment - bound for Murmansk through the sub-stalked N. Atlantic.
Lieutenant Joe Rossi is 1st Officer on a Liberty Ship in a great convoy bound from Halifax to Murmansk. After German subs crushed the convoy, his ship loses the convoy and is heading alone to Murmansk. In spite of attacks by German planes and subs, he get the ship to Murmansk.