Hat check man Louis Blore is in love with nightclub star May Daly. May, however, is in love with a poor dancer but wants to marry for money. When Louis wins the Irish Sweepstakes, he asks May to marry him and she accepts even though she doesn't love him. Soon after, Louis has an accident and gets knocked on the head, where he dreams that he's King Louis XV pursuing the infamous Madame Du Barry.

Set at the turn of the century, smooth talking con man Eddie Johnson weasels his way into a job at friend and rival Joe Rocco's Coney Island night spot. Eddie meets the club's star attraction (and Joe's love interest), Kate Farley, a brash singer with a penchant for flashy clothes. Eddie and Kate argue as he tries to soften her image. Eventually, Kate becomes the toast of Coney Island and the two fall in love. Joe then tries to sabotage their marriage plans.