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.

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.

After a series of tragedies turned her world upside down, FBI Agent Spenser Song felt like a woman adrift in a sea of chaos. Her brush with death and the tragic murder of her husband left her questioning everything in her life. And when it became clear that Bureau politics will trump justice, Spenser realized she needed a fresh start.

For over a year, FBI agent Coraline Pratt had been tracking the sadistic Postcard Killer. Forced to play his game, she followed the trail of breadcrumbs that stretched across the entire country to Storyville. A town with many mysteries and possibly even answers to Cora’s hidden past. From the moment she arrived in town, Cora felt something was different. But while Cora hunts for the elusive killer, a young girl from town is abducted. As she pivots to assist the local sheriff with finding her, Cora finds herself enveloped by a series of events that deepen the unknown.