Eleven-year-old Tilly Martin is dragged from her suburban bedroom. Her mother, Cora, pleads for mercy but the kidnappers are clear: if they don't get their $5 million back in five days, Tilly dies. If anyone contacts police, Tilly dies.Journalist Jack Gannon's estranged sister, Cora, disappeared without a trace decades ago. Now she is frantically reaching out to him for help. Cora tells him about the shameful mistakes she's made – but she guards the one secret that may be keeping her daughter alive.A twenty-year-old assassin, haunted by the faces of the people he's executed, seeks absolution as he sets out to commit his last murders as a hired killer.In the U.S. and Mexico, police and the press go flat out on Tilly's case. But as Gannon digs deeper into his anguished sister's past, the...