The story revolves around Kathy, an assistant D.A., Richard, her lover, who is also the chief medical examiner, and Dr. Highley.
Kathy's investigating the supposed suicide of a woman. It seems that she has been going to Dr. Highley for some kind of treatments but when side effects begin to surface, she plans to see another doctor but Dr. Highley kills her before she does.
Presently, Kathy's working under the assumption that the woman's husband was the one who killed her, and Dr. Highley also wants to see her to treat her for some injuries she sustained in a car accident.
When in reality Dr. Highley suspects that she may have seen him on the night he killed the woman, because she was in the hospital but on medication therefore not certain of what she saw.