While traveling in Italy, John Steele, a young American millionaire, is kidnapped by Antonio Perino, and fellow members of the Camorra. They demand an immense ransom, but he defies them. Marta, Antonio's wife, feels sorry for Steele. She is left to guard the prisoner alone and Steele induces her to help him escape. He takes her to America with him to escape the vengeance of the Camorra and the girl secretly falls in love with him. Antonio furiously vows to follow Marta to the ends of the earth if necessary to fulfill his vendetta. He traces them to America and learns Steele has sent Marta to a hotel and then gone to see Elaine, his fiancée, about their coming marriage. On his return, Marta tells him she has seen her husband watching the hotel. Steele offers the terrified girl a position as maid in his new home with himself and wife, which she gladly accepts, knowing it means protection from Antonio. Elaine becomes jealous of Marta and misinterpreting a conversation between the two, believes him to be unfaithful. Leaving an explanatory note for him, she sorrowfully goes to her mother's. Steele is nearly frantic and Marta decides to go away at once, despite the danger. Antonio discovers, his wife's whereabouts, and stabs her. She retaliates by fatally shooting him. Steele and his father find them and Marta tells Elaine's father everything before she dies. At her request, Steele kisses her farewell. Mr. Forsythe explains all to Elaine, after which she and her husband are reunited in their love, although neither can forget the little Italian girl who saved his life.