1942 and Hitler's U-boats have brought war to the United States. On a top-secret assignment, a U.S. Navy captain and his crew must disguise themselves as Nazis and infiltrate a severely damaged Nazi U-boat. Once on board, they are to steal the Nazis' top-secret decoding device and sink the sub before the Germans catch on to what's happening. Their mission is more dangerous and frightening than anything they could have ever imagined, but one which...