Putting It Over (1919)

Jack Trevor, an automobile salesman who takes the place of the recently deceased heir, Horace Barney, after a train crash. Trevor, who has a striking resemblance to Barney, finds himself at the mansion where he falls in love with Barney's cousin and rightful heiress, Helen. He must then expose the fraudulent scheme of Barney's guardian and his accomplices to save the estate and win Helen's love.