In the future, the Earth is engulfed with water when the polar ice caps melts, leaving the lands and civilization beneath the sea. In "Waterworld" drifters sail across the waters of the world on their man-made ships, trading for supplies and salvaging what is left of civilization, communities of survivors lives in towns called "Atolls" and a force of evil pirates "The Smokers" travel across Waterworld in search of a mythical island called "Dryland". Arriving at a Atoll, a mysterious drifter without a name called The Mariner is sentenced to death when the community discover he is a mutant. When the Atoll is attacked by The Smokers led by their evil leader Deacon, a woman named Helen and her adopted daughter Enola bribes The Mariner to take them to Dryland, believing The Mariner has been there. But the Mariner, Helen and Enola are pursued by Deacon and the Smokers, when The Mariner learns the tattoo on Enola's back is in reality a map that will lead them to Dryland..