While attending a forensic pathologist convention in Tahoe, Quincy's called on to help when hotel guests and staff are stricken with a mysterious illness.
A thigh bone is found buried on the building site of a new student union building. Quincy is teaching a class at the university and soon involves himself and his students.
Quincy is delighted to be reunited with his former mentor, Dr. Herbert Stone, until they butt heads over Stone's contradictory findings and potentially perjurious courtroom testimony.
Outside Danny's bar a man is the victim of a hit and run. The woman driving, or thought to be driving, the vehicle was Robbi Parker. She was a friend of Quincy's current girlfriend, Jenny.
A medical student asks Quincy to look into the cause of death of a body that was donated to his university. After discovering that the deceased was a key witness in the trial of a corrupt businessman, Quincy believes it's a case of murder.
A hooker tells authorities that a priest with a high profile anti-pornography campaign had paid for her services, had a heart attack and died with her.
An old man dies in a sanatorium, Valleyview, seemingly of a coronary. His grandson doesn't think that he could have died that way and pays for the Medical Examiners office to do an autopsy.