Pressed into service when World War II breaks out in the Pacific, the USS Walker -- a Great-War vintage 'four-stacker' destroyer -- finds itself in full retreat from pursuit by Japanese battleships. Its captain, Lieutenant Commander Matthew Patrick Reddy, knows that he and his crew are in dire straits. In desperation, he heads Walker into a squall, hoping it will give them cover -- and emerges somewhere else. Familiar landmarks appear, but the water...