In November 1888, options are few for unmarried mothers in Victorian England. To avoid stigma, many find lodging with “baby farmers”—women who agree to care for the infant, or find an adoptive family, in exchange for a fee.

Constance Piper, a flower seller gifted with clairvoyance, has become aware of one such baby farmer, Mother Delaney, who promises to help desperate young mothers and place their babies in loving homes. But she suspects the truth is infinitely darker.

Guided by the spirit of her late friend, Emily Tindall, Constance gathers evidence about what really goes on behind the walls of Mother Delaney’s Poplar house. But the horror is edging closer to home, and even the hangman’s noose may not be enough to put this evil to rest …