In this Arcane Society novel set in Victorian England, Leona Hewitt, a gifted crystal worker, isn't the only one sneaking into Lord Delbridge's private museum to recover a relic. Thaddeus Ware, a mesmerist with psychic gifts, is on a similar mission. Neither one of them has any idea that this relic--a rare ancient crystal--will lead them in a deadly chase where danger and desire await.

Virginia Dean wakes at midnight beside a dead body, with a bloody knife in her hand and no memory of the evening's events. Dark energy, emanating from the mirrors lining the room, overpowers her senses. With no apparent way in or out, she's rescued by a man she's met only once before, but won't soon forget. . . . Owen Sweetwater inherited his family's talent for hunting the psychical monsters who prey on London's women and children, and his investigation...