From the author of After the Crash comes a gripping new thriller about one womans descent into grief and madness after her ten-year-old son disappears without a trace. Maddi Liberi is a successful doctor living an idyllic life in the South of France. On the morning of her sons tenth birthday, they walk to the beach together. The boy presses for a quick swim, but when the surf is too rough, she sends him off to buy a baguette instead. He never returns. Ten years later, Maddi stands at the spot where she last saw her son. A pilgrimage of sorts. And she cant believe her eyes. There, standing at the waters edge, is a young boyand he looks exactly like her son. Same face, same suiteven the same birthmark. Rattled, Maddi becomes obsessed with the boy. She upends her life to get closer to him. And the more she learns about her sons doppelganger, the more unhinged she becomes. Dangerous secrets brought to light put peoples lives at risk, and plot twists reveal truths youll never see coming. This book contains a few occurrences of upside-down text.