U.S. Marshal Cameron Piquet is the Justice Department's best. To stop a serial killer nicknamed The Exterminator, he is partnered with long-time rival, FBI Special Agent Kevin Riddick. The case becomes a race against time when Piquet discovers that the killer is the Angel of Death summoned by a powerful conjurer who wants him dead. Enlisting the aid of Doctor Marion Fullbright, an abrasive forensic genius and Sarah Gilliard, a beautiful psychic, Marshal Piquet must come to terms with his troubled past and break the fiendish spell before the Exterminator sends him to his grave.