What if you found out that your family isn t yours at all? How far would you go to protect them? A gripping new psychological thriller from the bestselling author of The Girl Before. . . .

[JP] Delaney takes domestic suspense beyond its comfort zone. Marilyn Stasio, The New York Times Book Review

Pete Riley answers the door one morning and lets in a parent s worst nightmare. On his doorstep is Miles Lambert, a stranger who breaks the devastating news that Pete s son, Theo, isn t ...