The USS Nimitz, a modern-day nuclear-powered aircraft carrier captained by Kirk Douglas, passes through a time warp and finds itself at Pearl Harbor on December 6, 1941. Douglas is all for preventing the infamous Japanese attack by unleashing the 1980s technology at his disposal. But wait--if history is inviolate, what will happen to future events if the attack doesn't come off? For nearly two hours, pros and cons are volleyed back and forth by Douglas, by ambitious senator Charles Durning, and by concerned observer Martin Sheen.