High school senior Bobby Chrystal fails his French class, which will block him from entering Yale. His rich, authoritarian father hires an attractive 29-year-old to tutor Bobby over the summer and help him pass a make-up exam. While Bobby's friends lead him away into strange excursions aimed at losing their virginity, Bobby finds all the extracurricular activities he needs with his new tutor.

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 small-town kid hears about the wild nights of cruising the boulevard in Van Nuys, California. He drives out there to check it out, and gets involved with drag racers, topless dancers and bikers.

Day or night, it's a hot and wild summer at Malibu Beach. When the sun is high, it's Dina's job to patrol the area. Being the hot new lifeguard on duty isn't as easy as you'd think -- there's the older, muscle-bound beach idiot Dugan continually lusting after her, while jerk kids fake drowning just to get her to save them. And who can forget that pesky bikini-stealing dog?!?

Bobby blows all his college savings on a van and tries to get the girl of his dreams. It's a wild time with Bobby and his friends.

A football player at Rosedale High School is amorous of one of the cheerleaders, who is going with another guy. Another player can't decide which of two cheerleaders he wants to be with. Meanwhile, the Big Game with Hardin High School is approaching, and a prank war is in full swing.