In the year 3000, the Earth has been rendered a desert by nuclear war. A group of survivors goes in search of rare and valuable water, but standing in their way are the evil Exterminators, who live only to cause pain and misery.
An ancient Atlantean relic is discovered on the ocean floor near a sunken nuclear submarine, which triggers a violent set of events that sees a couple of scientists teaming up with a few mercenaries to survive the onslaught that follows.