Have you met Scarlett Bell? She's the expert profiler in the FBI's Behavioral Analysis Unit, called upon to catch the nation's deadliest serial killers. She's cunning, beautiful, deadly. And hunted. Someone wants Scarlett Bell dead. When a teenage girl is brutally murdered in an idyllic lake community, the local sheriff calls upon Scarlett Bell to find the murderer. Another girl goes missing, and the special agent must stop the killer before time runs out. Scarlett must untangle a confusing web of evidence if she hopes to track him down. But Scarlett is the killer's next target.

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. 

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”.

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.