She could have stopped an awful crime. She could have saved a life. She tried to forget about it. But now, the truth is out. The terrifying new psychological thriller from the bestselling author of Retribution and Pretty Little Things. GIRLS ARE DISAPPEARING IN PALM BEACH COUNTY Prostitutes, strippers - girls who don't have a loving home to miss them, who disappear through the cracks. DETECTIVE BRYAN NILL CAN'T PROVE IT'S A SERIAL KILLER He just knows it in his gut. But without a witness, he's got nothing. FAITH IS FEELING GUILTY She's tried to put that night out of her mind - the girl's face pressed to the window, begging for help. She's tried telling herself she was right to keep the door locked. BUT SHE WASN'T THE ONLY ONE IN THE CAR When Faith's four-year-old daughter identifies the girl on the news, Detective Nill gets his witness. And Faith's life starts to unravel.