Nightshade County Sheriff Thomas Shepherd is a successful model for every law enforcement officer with autism. He leads an idyllic life in his uncle’s old home along Wolf Lake, and is planning to marry private investigator Chelsey Byrd.

Logan Wolf was the Behavioral Analysis Unit's most-respected profiler. Then, a serial killer murdered his wife and tore his life apart. Now, he's a vigilante fugitive, hiding from the FBI, while he hunts the nation's deadliest criminals. When a college student and her boyfriend vanish in West Texas, Wolf suspects the Devil's Rock killer, and poses as the missing girl's uncle to investigate the tiny town of Dusk Corners - the last place anyone saw the students alive. But the local sheriff doesn't trust Wolf, and it's just a matter of time before he learns Wolf's true identity.

Struggling with her demons, Darcy moves her family to Genoa Cove. With the sadistic killer she captured serving a life sentence, she hopes a peaceful life along the ocean will end her nightmares. Then a body surfaces along the coast. And the evidence points to one man: the killer Darcy put behind bars three years ago. Either Darcy caught the wrong man, or an apprentice serial killer stalks paradise. Then the murderer takes another life, and the nightmare of three years ago rushes forth to claim Darcy. 

After he’s shot in the line of duty, Detective Thomas Shepherd returns to Wolf Lake to pick up the pieces of his shattered life. Living beside the water, he finds peace...until the body of a missing woman washes up on his shore, and the town blames a teenage boy with a history of violence. Is a killer stalking the sleepy resort village?

Blake Wilder is plagued with nightmares from her dark and twisted past. Fourteen years ago, her entire family was taken from her. Her parents murdered and her sister taken. At the age of 22, Blake joined the FBI in hopes of one day discovering the truth behind the mysteries of her own past.