Vivien and Violet find themselves in a dangerous situation eerily similar to a past event. Ben goes back to Boston to fix a mistake.
The line between the living and the dead blurs on Halloween. Two of the house’s previous residents give the Harmons decorating advice.
Violet learns about the rules of the house. The truth about Larry’s condition is explained. Constance is interrogated by the police.
One of history’s most famous murder victims pays the house a visit. Constance discovers more of Tate’s bad behavior.
Castle and Beckett investigate the murder of a nanny in her 20s who is found murdered inside a dryer in the laundry room of an upscale apartment building in Manhattan.
