Jerry Lewis plays Norman Phiffer, a proud man in a humble life, who doesn't know that his girlfriend, Barbara, is heir to the Tuttle Department Store dynasty. Mrs. Tuttle, Barbara's mother, is determined to split the two lovers, and hires Norman in an attempt to humiliate him enough that Barbara leaves him. Will she ruin their love, or will he ruin her store?

Gangsters run rampant until they encounter a gutsy minister.

To save his career, an ad man wants a sex symbol to endorse a lipstick but in exchange, she wants him to pretend to be her lover.