In this most memorable WWII saga, four Allied men struggle to survive in a lifeboat on the North Sea after their plane is shot down. One of the men carries secret documents that can save London from Nazi destruction. In a daring race against time, will their rescuers save them before Nazi U-boats, stormy seas, exposure, and enemy-mined waters kill them? Starring Michael Redgrave, Dirk Bogarde, Anthony Steel, and Nigel Patrick.