Based on the long-running radio show. A slapsticky saga related by comparatively bright brunette Irma and her wheeler-dealer fiancé interfere in her level-headed roommate's love life. Dean Martin and Jerry Lewis's in their movie debut, are juice-bar operators who are discovered when a self-proclaimed manager hears Martin's golden voice. Irma's roommate wants to marry her rich boss, but instead falls in love with Martin.