Five months after the events of No Mistaking Death, it's back to Carthage, Ohio, for private investigator Marian Warner. This time she's been hired to look into the disappearance of a beautiful, young courier for the local hospital lab...who turns up strangled. During the course of the murder investigation, Marian works her way down the list of doctors on the victim's route as a lab courier, discovering that one of them, an obstetrician, is being...