The Depth of Hate (1913)

Helen Embert, the lodge keeper’s daughter on the estate of wealthy widow Mrs. Melvina Jenkins is in love Bert Harrison. When by happenstance Bert saves Mrs. Jenkins and her daughter Mary from an accident he is instantly smitten with Mary. Feeling rejected, Helen pines away, expiring soon after. Helen’s mother, consumed with revenge, sets her sights on extracting it upon Mary but is prevented from harming her in the nick of time.