A British naval officer has a brief affair with a woman in England and never knows that she bears him a son. 20 years later the boy is on a ship under his command when he is tracking a German Raider. When the boy is captured after his ship is sunk, he finds a way to slow the German's progress while a lethal hunt for him goes on.
as Signalman Andrew 'Canada' Brown
as Lt. Richard Saville
as Lucinda Bentley
as Petty Officer 'Stokes' Wheatley
as Signalman Willy Earnshaw
as Commander John Willis
as Captain Tom Ashley, HMS Amesbury
as Lieutenant John Stafford, HMS Stratford
as Navigator (uncredited)