One killer. Three dead. Now you're in the cross-hairs. A college shooting sends the campus into a panic. A sniper hunts a small town. Now Special Agent Scarlett Bell must find the shooter before more innocent lives are lost. Is the sniper a member of a fringe white supremacist group? Scarlett gets off on the wrong foot with a local detective when she questions who the killer is. Scarlett's boss doesn't trust her methodologies, the detective undermines the investigation, and Scarlett's partner wants her out of harm's way. Good thing Scarlett never plays by the rules. But Scarlett must watch her back. The nation's most feared serial killer is stalking Scarlett, and he knows secrets about her past which link him to a gruesome murder from Scarlett's childhood. Two killers. A growing body count. Can Scarlett stop them?