She knows only that she was found injured and unconscious on a rugged stretch of Oregon coast. Now she's in a hospital with a shaved head, a cast on her leg, no identification, and her memory and identity hidden in an unreachable pit in her mind. She's Kat Cavanaugh, New York model, who disappeared from her deceased parents' isolated home in northern California several months ago.

Disgraced attorney Andi Slade is seeking justice for the killer who destroyed her reputation and her career. But going undercover as an ice road trucker in Alaska to find answers is just the tip of the iceberg. A brutal snowstorm, a handsome stranger, and an unsolved cold case send Andi's plans into a tailspin. Former CID investigator Duke McAllister refuses to give up searching for his fiancée who disappeared two years ago on the Dalton Highway. When he rescues a woman on the side of the road, he knows just how much danger she’s in.

Police Chief Autumn Long is fighting to keep her job when an unexpected wave of violent crime sweeps through her small Alaskan town. Does Grier Carter, a relative newcomer to town, actually have her back? Or is she all alone as the body count rises?

Larkspur Nielsen is ready for a change. Her parents have passed on, and her older brother is successfully running the family business. She bristles at the small-mindedness that permeates life in her small Ohio community, and she sees little chance of a satisfying future there. She has a little money saved, and after turning the tables on a crooked gambler who had fleeced several locals, including her younger brother, she can stake a new start for herself and her three sisters.

Now that Alexandra "Alex" Donavan is finally free of her troubled upbringing, she's able to live out her childhood dream of working for the FBI. But soon after she becomes a member of the FBI's elite Behavioral Analysis Unit, authorities in Kansas and Missouri contact them about bodies found on freight trains traveling across the country - all killed in the same way.