A fatal attack shatters Claire Wolfe ’s dreams of a new life in Quantico. A twisted serial killer is hunting FBI agents and has her unlucky victims begging for death. With her fiancé, Special Agent Robert Cline, and forensic profiler, Dr. Sally Fleischer, Claire makes a startling discovery. This ruthless murderess has a deadly secret …and more names on her list. But Claire’s warnings go unheeded. Caught between hostile investigators, hardened criminals, and her narcissistic future mother-in-law, Claire must cross every red line to outsmart this criminal mastermind . With time running out in this gripping psychological thriller and police procedural page-turner, Claire strikes a deal with the devil and faces an impossible decision. To stop this monster, must she sacrifice the man she loves?