As she looks out the window, a shadow moves across the glass at midnight. She's not alone. Someone wants to kill her . . . In rural South Carolina, a madman stalks a sleepy town. The FBI sends serial killer profiler Scarlett Bell to catch the murderer, but the sheriff doesn't want the FBI in his county. Bell doesn't trust the deputy director of the Behavioral Analysis Unit, and she hasn't seen fugitive Logan Wolf in weeks. Can she depend on her old partner Neil Gardy, who is helping her without the deputy director's approval? The body count grows, and a young girl experiences nightmares about a clown outside her window. Or are her nightmares real? As the killer escalates, Scarlett Bell must untangle the mystery of the murderer's identity while hiding from the sheriff's department. Can she overcome the lack of a reliable partner and stop the killer before he takes another life?