Their Own Desire (1929)

Lally is a rich girl whose father writes books and plays Polo. After 23 years of marriage, he decides to divorce his wife, and marry Mrs. Chevers. This sours Lally on all men, while 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, her father's illicit lover.