On a train trip out west to become a mail-order bride, Susan Bradley meets a cheery crew of young women traveling out to open a "Harvey House" restaurant at a remote whistle-stop.

Sailors and spies mingle in between the acts at Hattie's nightclub in the Canal Zone.

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.

A detective is hired to protect the life of a singer, who has recently inherited a department store, from the store's crooked manager.