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

Nerdy high schooler Ronald Miller rescues cheerleader Cindy Mancini from parental punishment after she accidentally destroys her mother's designer clothes. Ronald agrees to pay for the $1,000 outfit on one condition: that she will act as though they're a couple for an entire month. As the days pass, however, Cindy grows fond of Ronald, making him popular. But when Ronald's former best friend gets left behind, he realizes that social success isn't everything.