An evangelist whose church is being investigated by the government is found dead in a motel room., drugs and alcohol at his bedside table. Quincy is told to come up with the mode of death quickly, everyone wants to know how, and why, he died. The scientific results are borderline so Quincy asks Asten to authorize a psychological autopsy.

An old man at a hospital for respiratory disorders drops dead after going for a walk during a smog alert. Quincy's autopsy reveals lungs that had some kind of inflammation, caused by the pollutants being pumped into the air by the oil refineries near the sanatorium. Refineries that are meant to cut back their emissions during a smog alert!