After her uncle's death, a young girl, fresh from a convent, finds herself under the spell of the executor of her father's estate. She becomes a pawn of the executor's evil work. Gradually she becomes evil herself and uses her wealth to menace society. A young doctor defeats the girl's evil self, and helps the true woman emerge.—scsu1975

After her uncle's death, a young girl finds herself under the subtle spell of the executor of the estate, an uncanny Spaniard possessing a Mephistophelian nature and likeness. Fresh from her sheltered life at a convent school and inexperienced in the ways of the world, she serves as plastic material for the Spaniard to mold to his hypnotic will and to carry out his dictates to further evil in the world. Gradually the Saint becomes a Devil and aided by her great wealth becomes a menace to Humanity. But the perverted soul and clouded life finally has an awakening. Through the strong personality of a young doctor engaged in bettering the deplorable conditions existing in the tenement districts, the dawn of her salvation begins. Brought in contact with him by chance he investigates her peculiar case further and then begins a battle of wills. The doctor against her devil self and the hypnotic subtleness of the Spaniard. The fight is finally won and from out of the vanquished evil self emerges the true woman, the shackles of sin severed and replaced by the bonds of love.—Moving Picture World synopsis