Sally Thorning is watching the news with her husband when she hears an unexpected name—Mark Bretherick. It's a name she shouldn't know, but last year Sally treated herself to a secret vacation away from her hectic family life and met a man. After their brief affair, the two planned never to meet again. But now Mark's wife and daughter are dead, and the safety of Sally's own family is in doubt.
A chilling exploration of a mother's unspeakable betrayal from the author of Little Face.