Lally is a rich girl whose Father who writes books and plays Polo. After 23 years of marriage, Father decides to divorce Harriet, his wife, and marry Mrs. Chevers who is also divorcing her husband. This sours Lally on all men, but on vacation she meets Jack, who succeeds in stealing her heart. The trouble begins when Lally discovers that Jack is the son of Beth Chevers, the woman who is to marry her father.