In the future, corporations have taken over the world and banned sex. A group of rebellious high school students devise a way to go back in time to the present day and try change history to prevent that from happening.

A woman is in therapy because of her uncontrollable desire for young men. She recounts stories of her sordid past, including seducing a rich kid when his parents are away, and giving a fraternity boy a good time. The therapist tells her about another of his patients who has virtually the same problem, and tells of this patient's encounters with a pool cleaner, a hot tub repairman, a football jock, and a young army recruit. Eventually patient and therapist get to know each other better.

When smokeshow space teens Xena, Sola, and Luna steal Xena's dad's spaceship for an illicit joyride, they run out of gas and come crashing to Earth. There, they meet Dave and Jerry, two equally horny Earth dudes who are good to go and endless scenes of hot, silly, and sultry sex ensue. But when Dave's easy going Uncle Bud is targeted for eviction from his ramshackle beach house, the hormonal honeys must put their libidos aside and enter a bikini contest, the prize money of which will save the day.

Kim Taylor inherits her grandfather's drive-in theatre. She must raise $25,000 over one weekend or the bank will take the property from her. She also has to deal with pesky capitalist J.B. Winston.