A beautiful young woman's corpse is found dumped in a garbage-strewn alley. Now laid out in the office of medical examiner Kat Novak, the unidentified body betrays no secrets--except for a matchbook clutched in one stiff hand, seven numbers scrawled inside. When a second victim is discovered, Kat begins to fear that a serial killer is stalking the streets, using a deadly drug to do his dirty work. The police are skeptical. The mayor won't listen....