Located in the south of France, this subject tells of a woman, who, after the death of her husband, is forced to assume the management of the Gambling Casino, of which he was proprietor. Her girl child she places in a convent and keeps her in ignorance of her occupation. Twelve years later the mother becomes engaged to a young nobleman. The young man, however, by accident, meets the daughter, now seventeen years old, and falls in love with her, not knowing her identity. The mother realizing the truth of the situation, sacrifices her own love for the young man for her daughter's happiness.