In this prequel to the international best seller The Ruin, set 10 years prior, bright-eyed Carrie Ryan is at the very start of her career. When she has a hunch about an ongoing murder investigation, she knows it could be her only chance to prove herself and truly break into the “boys' club” of Dublin’s police force.

1967: A brutal murder occurs at the Weston State Hospital in West Virginia. To amateur exorcist, Merle Blatty, this shocking story rings of the occult. Fueled by a desire to avenge the deaths of his wife and son, Merle investigates the case, unknowingly stepping into a sinister web spanning decades.

An alcoholic teacher and father’s world spirals out of control when a former student is killed and he is left with her dog and the dark presence that follows it. Matt Matheny teaches during the day, drinks at night, and barely hides his functioning alcoholism from his veterinarian ex-wife, Lucy, and his six-year-old son, Mikey. His world spirals out of control when a former student is killed, and he's left with her dog, Conehead. But something isn't right with Conehead.

On an isolated farm in southern Ireland, a decades-old grave houses the dismembered bones of 11 women. Detective Superintendent Katie Maguire of the Irish Gardai is used to bloodshed, but these white bones speak of unimaginable butchery. Not far away, a young American tourist is at the mercy of a sadistic killer. His tools are a boning knife, twine, and a doll fashioned from rags, nails, and fish-hooks. The murder of his victims is secondary only to his pleasure at their pain.

The girl had been staring into her mirror all morning before she picked up the small bottle of sulphuric acid and poured it over her forehead. Samira was a young woman with her whole life ahead of her. What could have brought her to this? DC Jerry Pardoe and DS Jamila Patel of Tooting Police suspect it's suicide. But then a meek husband kills his wife, and the headteacher of the local school throws her pupils out of a window. It's no longer a random outbreak of horrific crimes. It's a deadly virus. And it's spreading.