In the year 2177, the world is under the control of a master computer. For recreation, however, people are allowed to view sex tapes.
A gas is let loose upon the world that kills anyone over 25 years old.
School is out, and three girls head to the beach for vacation. Two of the girls are world-wise party-goers who attempt to loosen up their naive, virginal friend, whose uncle has allowed the girls to stay at his beach house. When the near-sighted, drug smuggling Captain Bly dumps his cargo of marijuana, the bales wash up on shore. The two party girls, Ginger and Ducky, quickly stuff the dope into giant bags and spirit it back to the beach house, where it fuels a party with assorted misfits, delivery persons, and passersby.
A Vietnam veteran that spends his days photographing pretty girls, and his nights strangling them, sets sights on the patients of a radio psychiatrist.