The killer is terrified that everyone they meet will somehow know what happened, will know their shame. And so, they pave the nation's seminars with the corpses of physicians, believing only the deaths of their tormentors will finally set them free of their debilitating fear of humiliation. Detective Masson and Tara finally find themselves alone together for a long deserved vacation in sunny Miami. During their first night, they cross paths with a physician attending a seminar in their hotel who feared she was being stalked. Her fear weighs on their minds and tarnishes their efforts to enjoy their vacation. Immediately upon returning home to Chicago, Masson receives a call from FBI Agent Wright. A physician was found dead in their hotel room. Masson and Tara befriended feared it was the physician they had met. Upon the insistence of Agent Wright, Masson and Tara attempt to solve the vicious crime. But as the case unfolds, they are called in on several other murders in various states that seem to be related. As they begin to realize they're hunting a serial killer, they quickly find themselves in a race against time to find the murderer before they kill again.