FBI Special Agent Daniel Walker, 40, known for his ability to hunt killers, his street-smarts, and his disobedience, is singled out from the Behavioral Analysis Unit and assigned to the FBI’s new Antiquities unit. The unit, formed to hunt down priceless relics in the global world of antiquities, has no idea how to enter the mind of a murderer.

When a teenage girl is found dead in the woods, her body posed like an angel, Stockholm holds its breath. The kill bears a chilling resemblance to those of the Angel Maker, a serial killer caught two decades ago.... One who just died in prison. Detective Inspector Jamie Johansson is taking some much-needed time away from the London Met when the call comes in. Her father, one of Stockholm's most notorious detectives, caught the Angel Maker when she was just a girl, and Jamie has long since closed the door to that part of her life. 

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

The Maude is outside. It wants to come in. It wants to sit on your chest. The mentally ill patients in Amberly Secure Unit are highly suggestible. A hallucination can spread like a virus. When unexplained power cuts lead to a series of horrifying incidents, fear spreads from the inmates to the staff. Amidst the growing hysteria, AJ, a senior psychiatric nurse, is desperate to protect his charges.

Nowhere is safe. No one can be trusted. A bloodied body is found in a Manchester Immigrant Removal Centre. The investigating officer and the pathologist seem certain: a suicide. But for DI Ridpath something doesn't add up. As the evidence starts to unravel, and with few leads, the pressure is on to find answers before the Inquest is closed. Caught between the police, the coroner and a system that doesn't care, Ridpath isn't making any friends.