Very jealous of the Duke of Desborough's prize race horse "Clipstone," Major Roland Mostyn schemes to destroy his rival and thus obtain possession of the animal. After framing the duke's wife Muriel in a false adultery suit which results in divorce, Mostyn ruins the young duke at cards, thus forcing him to auction his horse in order to pay his debts. Muriel, heartbroken by the separation, persuades her old friend Captain Streatfield to purchase the horse and enter him in the derby. Mostyn bets all his money on his horse and attempts to fix the race but his plot is discovered and Clipstone wins the contest. After Muriel's innocence is proven, Mostyn's villainy towards the duke is finally stopped and the couple is happily reunited.

Marion, a young girl, is given up by her guardian to be raised by her father who has a criminal past. Under the enchanting influence of his daughter, he renounces his life of crime. However, a former partner frames him for a robbery he did not commit, and he is sent to prison. The distraught Marion runs away and upon taking refuge in a church, she is eventually adopted by the kindly clergyman's family. As the years pass, Marion grows into a young woman who becomes engaged. When her father is finally released , he seeks his ashamed daughter's forgiveness and explains being sent to prison on false charges. He wins the sympathy of Marion and along with her fiancés, a happy ending prevails for all.

The story takes place in Monte Carlo, where the impoverished Julian proposes marriage to the wealthy Dora, only to be turned down by the girl's mercenary mother. Several years later, Julian manages not only to obtain a huge fortune, but also a prominent position in the British diplomatic service. Now a suitable husband for Dora, Julian marries the girl. Alas, their happiness is short-lived.