As the widowed master of an elegant house in Victorian-era London slips slowly into madness and his tyrannical housekeeper takes on more power, a ghostly presence distracts a teenaged maidservant with clues to a deadly secret.

In 1645 in England, the daughters of the town minister successfully accuse a local healer and her granddaughter of witchcraft to conceal an out-of-wedlock pregnancy, but years later during the 1692 Salem trials their lie has unexpected repercussions.