She finds a child hidden in the basement. Just then, she hears someone coming closer. As she hides, she hears the housekeeper grumble about the child's mother, a useless fool who's always sleeping. Realization struck her. The girl is her daughter. The cunning housekeeper has swapped their daughters and locked her employer's child away in this dark room for years. Watch as she plans a daring counterattack while playing the sickly lady of the house.
