Behind the Marriage: The Switched ChildEpisode 2

A woman discovers a child in the storage room. Just as she is about to ask questions, she hears footsteps and hides. The housekeeper enters and mentions that the child's mother loves to sleep, adding that the woman's own daughter is a useless person. It is then that the woman realizes her biological daughter has been swapped by a scheming woman and has been locked away in a dark, damp basement all these years. Will the woman continue to feign illness, or will she rise up and fight back?