Jack Nightingale was a cop who quit his job over a little girl's death. He's saved his own soul from a devil, and now he's haunted by the cries for help of that same little girl. Is she trapped in eternal torment? Or are demons torturing and deceiving him in order to gain the ultimate prize? Nightingale will have to face down the powers of the police, south London gangs and Hell itself to find out... 'A disturbing, blood-chilling read from a writer at the top of his game' (Sunday Express).