Popeye is a super-strong, spinach-scarfing sailor man who's searching for his father. During a storm that wrecks his ship, Popeye washes ashore and winds up rooming at the Oyl household, where he meets Olive. Before he can win her heart, he must first contend with Olive's fiancé, Bluto.
Fired from his band and hard up for cash, guitarist and vocalist Dewey Finn finagles his way into a job as a fifth-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.