Joe and Valerie, two young teenagers from blue-collar families, meet at a New York disco and fall in love when Joe bets his roommates, Frank and Paulie, that he can take Valerie away from her dancing partner.

Valerie arranges a disastrous date between Frank and her best friend Thelma and when she fixes up Paulie with a co-worker who gets married the night before the date, she must come up with a last minute substitute.

Joe and Valerie's romance hits a potential roadblock when Valerie finds out that her new boss at the department store is her ex-boyfriend Ernie (Marcus Smythe).

When Valerie's mother is unexpectedly called away for the weekend, Joe and Valerie face the prospect of spending their first night together; Joe's dilemma is that he loves Valerie too much to stay and he's afraid of what the guys will think if he doesn't.

Joe and Valerie break the news to their respective parents that they have decided to live together which causes an uproar and the subsequent search for a place to live through a rental service causes even more havoc.

Joe and Valerie learn that a gangster's funeral is scheduled at the same time and in the same church as their wedding.

The newly-married Joe and Valerie take a flashback look at the hilarious events that occurred before their wedding: Frank and Paulie feuding over who will be the best man and Stella threatening to boycott the wedding if her ex-husband (Valerie's father) shows up.