Eve Dallas is a New York police lieutenant hunting for a ruthless killer. In over ten years on the force, she’s seen it all - and knows her survival depends on her instincts. And she’s going against every warning telling her not to get involved with Roarke, an Irish billionaire - and a suspect in Eve’s murder investigation.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

Forensic genealogist Rowan Healy has made a name for herself by helping investigators trace the family trees of violent criminals who have eluded justice for years. But the pressure of police cases left her burned out, and she’s shifted her focus to helping adoptees find their biological parents.

Naomi Bowes lost her innocence the night she followed her father into the woods. In freeing the girl trapped in the root cellar, Naomi revealed the horrible extent of her father’s crimes and made him infamous. No matter how close she gets to happiness, she can’t outrun the sins of Thomas David Bowes. Now a successful photographer living under the name Naomi Carson, she has found a place that calls to her, a rambling old house in need of repair, thousands of miles away from everything she’s ever known.

Psychologist Faith Corcoran is desperate to escape the stalker who’s made her life a nightmare for the past year—desperate enough to run to the one place that has been her nightmare far longer. Her recent inheritance of her grandmother’s old house in Cincinnati offers sanctuary in which she can start her life anew, but requires that she face the dark memories that still resonate to this day. But she has no idea how close to home her fears still are...