During the last major German offensive of World War II, a company of American soldiers is lost behind enemy lines during the Battle of the Bulge and they make a horrific discovery - Hitler has a super bomb in development. The soldiers soon learn about a secret allied mission to retrieve a defecting German scientist in charge of a Hitler's weapons program. Faced with impossible odds, the company and an escaping POW go on a daring raid into the heart of Nazi Germany in pursuit of the scientist.