Los Angeles County medical examiner Quincy routinely engages in police investigations.
Four mummified bodies are discovered inside the walls of a Victorian house. When the 4th is discovered, everyone is just as mystified including the homeowner.
A mudslide causes a cemetery to wash out after a torrential rain and Quincy discovers that there is a typhoid threat due to bodies that were not supposed to be there.
Quincy is called in to investigate a death after a airplane crashes. It is discovered that the plane was carrying a dangerous chemical and Quincy tries to prove or disprove the cause of the accident to the plane.
Quincy travels to a Indian reservation in Paradise Palms Arizona where his foster son is desperately ill. He has to deal with the possibility of a bubonic plague outbreak and the uncooperative president of a new golf resort.
When a baby with Down Syndrome is denied medical care after birth and allowed to starve to death, Quincy is asked to determine if the death was from natural causes, or if the attending physician had a different agenda.
When a young man recently diagnosed with schizophrenia violently murders his family, Quincy suspects he could be faking his diagnosis in order to avoid serving time and tries to prove his suspicions right.
