When an inexplicable phenomenon transports a modern nuclear warship back in time to the bombing of Pearl Harbor, the crew must decide between allowing the bloody attack to take place and preventing it, which could forever change the course of history. This thrilling science fiction blockbuster features a stellar cast, including Kirk Douglas, Martin Sheen, Charles Durning, Katherine Ross and James Farentino, as the crew and war era government officials who must decide the future of the world.