Meghan Smith has always been a protective mother. Her baby son, Harry, has a life-threatening condition and is never far from her sight. But on the evening of her wedding anniversary, as she and her husband celebrate in the garden with friends, Harry disappears from his cot without a trace. In an instant, the perfect life she always longed for is in tatters, her family exposed to interrogation and accusation in the glare of media attention.
Eleanor Blackwood discovers a woman's body in the same spot in the woods where her mother was strangled eighteen years previously. But before the police can get there, the body vanishes. Is Eleanor's disturbed mind playing tricks on her again, or has her mother's killer resurfaced? And what does the number on the dead woman's forehead signify?