When her baby is diagnosed with a rare genetic disorder, a widowed first-time mom races against time to find a donor, only to uncover a labyrinth of deceit that leads her back to the fertility clinic where her son was conceived.

A suburban family chooses seemingly sweet Peyton Flanders as their newborn’s nanny. Only much later does the infant’s mother, Claire Bartel, realize Peyton’s true intentions — to destroy Claire and replace her in the family. The nail-biting suspense builds quickly in this chilling psychological thriller about deception and bitter revenge.