The famous author and creator of the popular Netflix show "Fool Me Once", Harlan Coben, offers us his most shocking and deeply personal thriller. It all begins when Myron Bolitar learns from his ex that he's the father of a 13-year-old boy who's in critical condition. Myron never imagined it. A surprise visit from an ex-girlfriend is quite a shock. But the news from Emily Downing brings him to his knees. Her son, Jeremy, needs a bone marrow transplant from a donor who has vanished without a trace. Then comes the real twist: The boy is Myron's son, conceived the night before her wedding to another man. Myron plunges into a quest for the missing donor. But finding him means that he must uncover a dark mystery involving a shattered family, a brutal abduction, and the FBI. Somewhere in this ugly situation lies the donor who disappeared. And as doubts arise about Jeremy's real paternity, a child disappears, triggering a chain of heartbreaking truths and chilling revelations.