The Great Night(1922)

Larry Gilmore must marry by a certain date to inherit a fortune. He is besieged by women anxious to assist in getting the money. To escape them, he gets a job as a police officer and dons a uniform. He falls in love with Mollie Martin, a waitress who does not know his identity but agrees to marry him. Before the ceremony several complications occur, and Larry rounds up a band of jewel thieves. A few seconds before the expiration date he marries and gets the fortune.