一對姊妹，一個秘密，為了保護家人，她能走多遠？ Sunday Times 暢銷作者Karin Slaughter驚悚新作！ The stunning new thriller from the No. 1 Sunday Times bestselling author You thought no one saw you. You were wrong. Leigh and her sister Callie are not bad people – but one night, more than two decades ago, they did something terrible. And the result was a childhood tarnished by secrets, broken by betrayal, devastated by violence. Years later, Leigh has pushed that night from her mind and become a successful lawyer – but when she is forced to take on a new client against her will, her world begins to spiral out of control. Because the client knows the truth about what happened twenty-three years ago. He knows what Leigh and Callie did. And unless they stop him, he's going to tear their lives apart … Just because you didn't see the witness … doesn't mean he wasn't there.