Lucy is chosen on an audience participation game show. The host, Art Linkletter, offers her $500 if she won't lose her temper for 24 hours. When she's escorted off the stage, the host then brings out Harry, Mary Jane, & the kids, offering them $250 each if they can make Lucy lose her temper! They do everything possible to make Lucy lose it, but she overcomes temptation. Lucy manages to demolish a grocery store!