Desc: Sorella contro sorella: Directed by Herbert Brenon. With Marie Doro. Poverty stricken orphans are found by leader of a gang of petty thieves, who wishes to use them in his undertakings because of their innocence and beauty. One enters the house of a wealthy widower, who recognizes the situation and adopts her, and in after years she is loved by his son. A plot to blackmail the rich man and the foster daughter's attempt to save him brings her face to face with the sister from whom she has been separated, and who is in love with the leader of the gang.