Retirement isn't easy for a former CIA assassin. For fifty-five-year-old Helen Warwick, it may be impossible. Years of eliminating the nation's enemies one sniper bullet at a time have earned Helen powerful adversaries. Then there are mysterious new foes, including a psychopath dubbed The DaVinci Killer, who wages a twisted war with a rival serial killer to turn murder into art. And when he sets his sights on Helen, she may very well become his next exhibit.