During routine manoeuvres near Hawaii in 1980, the aircraft-carrier USS Nimitz is caught in a strange vortex-like storm, throwing the ship back in time to 1941—mere hours before the Japanese attack on Pearl Harbor.
Roger Pitman is a petty thief who makes a deal with the police to use bait money to trap other criminals. But when he gets the cash, Roger can't resist the temptation and steals part of it. He runs off to Miami Beach, but now lives in fear of the crooks that he set up as well as the police.
A scientist and his team of underwater explorers search for the culprit who has stolen the world's supply of nerve gas and hidden it somewhere in the ocean.
A doctor in Florida conducts shady experiments involving maggots and stolen body parts, which may be in preparation for a larger plot.