Adopted as a child, new father Mel Colpin decides he cannot name his son until he knows his birth parents, and determines to make a cross-country quest to find them. Accompanied by his wife, Nancy, and an inept yet gorgeous adoption agent, Tina, he departs on an epic road trip that quickly devolves into a farce of mistaken identities, wrong turns, and overzealous and love-struck ATF agents.

Fired from his band and hard up for cash, guitarist and vocalist Dewey Finn finagles his way into a job as a fourth-grade substitute teacher at a private school, where he secretly begins teaching his students the finer points of rock ‘n’ roll. The school’s hard-nosed principal is rightly suspicious of Finn’s activities. But Finn’s roommate remains in the dark about what he’s doing.

Two young women and their friends spend spare time at an exclusive nightclub in 1980s New York.