A King o' Make-Believe(1916)

Orphaned and disabled Hope Hathaway has been left in the guardianship of the rapacious Rufus Flint and his son Abner. They scheme to force Hope to marry Abner to access her fortune but are held at bay by her faithful housekeeper Susie. Nearby a movie is being filmed and the picture's star Neil Stuart happens upon Hope one day when she is alone in a field. Concerned for her situation Neil tells Susie to contact him if he is ever needed. When Rufus and Abner make their play Neil swoops in and rescues Hope.