In 1944, amidst the backdrop of Eastern Europe, the Allies achieve a significant victory by destroying a dam in France, obliterating a German facility that harbored crucial secret codes essential for Allied intelligence efforts. A renegade group of soldiers is dispatched on a mission to recover these codes from a concealed vault within the submerged remnants of the town. Their journey is fraught with danger as they must fend off scattered Nazi forces and ensure their survival to deliver the codes to the Allied command.