After Peter catches Lois' dad, Carter, having an affair, he is strong-armed into keeping a secret. But when Peter accidentally spills the beans, Lois' mom demands a divorce, and Peter is in charge of Carter's return to bachelorhood.

When Peter receives tickets to a boxing match as a birthday gift, he volunteers Lois to compete. To everyone's surprise, Lois dominates in the ring, and Peter decides to become her fight promoter. Her frustration with Peter turns into motivation in the ring as the housewife turns champion.