Jack Carlton thought he'd left his demons behind. He was wrong. After crawling out of the bottle, Jack has rebuilt a fragile peace. He's sober, his private investigator business is ticking over, and he's working things out with his daughter, Stephanie, in their old family home. But his relentless insomnia and dreamless existence hint that something dark still lingers within him. When an old police colleague asks for Jack's help on a chilling case, his carefully reconstructed life begins to unravel. The Witchfinder, the serial killer who drove Jack to leave the force, has returned. This time, the killer's twisted game feels eerily personal. As Jack teams up with his former partner to investigate, they uncover disturbing links between the new murders, a missing journalist, and whispers of an ancient, malevolent force operating in the shadows of London. The deeper Jack digs, the more he's forced to confront the horrors of his past-and the terrifying truth behind his own sleepless nights. Will Jack have the strength to face the darkness, or will it consume everything he's fought to save? Prepare for a heart-pounding blend of crime, mystery, and supernatural terror in this gripping thriller you won't be able to put down.