The boy turned and looked at me, and everything slowed right down . . . In that moment, there was nothing but me and our boy, our eyes holding each other's. Dillon. Three-year-old Dillon vanished in the middle of the night. His father harry can't forgive himself for not protecting his only child. Yet harry isn't blamed by his wife Robin- she bears her own secret guilt. Five years later, thousands of miles away, harry spots an eight-year-old boy in a crowd - a boy he is convinced is Dillon. Desperate to find his missing son, Harry's obsession tears apart his marriage, exposing shameful secrets and shattering the one thing he and Robin had left - trust. Why won't Robin believe Harry? What is she hiding? Can the boy really be Dillon? And how far will Harry go to find their lost son? 'Gripping . . . this tense, unpredictable novel blends a thriller with an intimate family story to produce a most compulsive read.' John Boyne, author of The Boy in the Striped Pyjamas