The first film in the American-International "Beach Party" series follows an anthropology professor and his secretary as they research the sexual habits of teenagers. Meanwhile, a group of surfing teens, led by Frankie and Dee Dee, focus on singing, battling a gang of motorcycle-riding "rats and mice" and dancing to the music of Dick Dale and the Del Tones. The movie features a surprise appearance by Big Daddy.

Beach Party
An anthropologist delves into the vibrant world of American teenagers, capturing their idyllic summer experiences, including surfing, romantic encounters, and lively beach gatherings.