A 40-year-old bachelor gets his wish to be 17 again, and he goes back to high school where he romances the daughter of the woman he dated in high school the first time.

When 15-year-old Sonny Wisecarver has an affair with his older neighbor Francine and then runs off to marry her, a stern judge has the union annulled. Then, when Sonny finds himself before the same judge after getting involved with another woman in her 20s, the publicity from this case makes him the object of affection for millions of young women