Massachusetts, 1892. An unmarried woman of 32 and a social outcast, Lizzie lives a claustrophobic life under her father's cold and domineering control. When Bridget Sullivan, a young maid, comes to work for the family, Lizzie finds a sympathetic, kindred spirit, and a secret intimacy soon blossoms into a wicked plan.
Hetty discovers an explosive secret from Rosamund Calendar- she lost a baby years ago called Charles who she believes Matron may know of while Gideon fears he caused Edwin's life-threatening accident. Rosamund gives birth to another baby who she names William. New housekeeper Brodie arrives at Calendar Hall.