Joseph O'Loughlin appears to have the perfect life - a beautiful wife, a loving daughter and a successful career as a clinical psychologist. But nothing can be taken for granted. Even the most flawless existence is only a loose thread away from unravelling. All it takes is a murdered girl, a troubled young patient and the biggest lie of his life. Caught in a complex web of deceit and haunted by images of the slain girl, he embarks upon a search that will take him from London to Liverpool and into the darkest recesses of the human mind ... A nerve-shredding psychological thriller from one of the most brilliant crime authors of today, Michael Robotham.