Midnight Jones, an analyst trained to understand the human mind. She profiles a man who shows no empathy and is deemed capable of horrific violence or a Profile "K". Midnight believes Profile K is a danger to society, but her employer buries the profile and warns her of the risk of taking matters further. When a series of brutal murders occur, Midnight realizes that Profile K is the killer and that she might his next target. She must find him before he finds her. An extremely engaging psychological thriller with a number of twists, which makes the novel impossible to put down.