DCI Brendan Moran, world-weary veteran of 1970s Ireland, is recuperating from a near-fatal car crash when a murder is reported at Charnford Abbey. The abbot and his monks are strangely uncooperative, but when a visitor from the Vatican arrives and an ancient relic goes missing, the truth behind Charnford's pact of silence threatens to expose not only the abbey's haunted secrets, but also the spirits of Moran's own troubled past....

April 1968. DC Cameron Kyle is struck by a bullet at a bungled stakeout. aHe survives, but it’s clear that his old self didn’t. Once courteous and cautious, he now finds himself uncharacteristically outspoken, impatient, intolerant. His surgeon warns him that, due to the inoperable location of the bullet fragment, Kyle could die anytime; his psychologist’s prognosis isn’t much better–the words she chooses to describe his personality changes include borderline and psychotic

An undercover officer goes missing and the body of a young man is found mutilated in a shop doorway. Is there a connection? Returning to work after a short convalescence, DCI Brendan Moran’s suspicions are aroused when a senior officer insists on freezing Moran out and handling the investigation himself.

Starting a new life in Snowdonia was always DI Ruth Hunter's dream. Until a twisted killer turned it into her worst nightmare. Detective Inspector Ruth Hunter lives with the pain of her partner’s mysterious and unsolved disappearance. About to hit 50, the veteran police officer trades in the crime-ridden streets of London for a more peaceful life in rural North Wales. But Ruth has barely settled into her new position in North Wales Police, when the body of a brutally murdered woman is discovered...with strange symbols carved into her skin.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.