Quincy stakes his reputation on his forensic findings, which suggest that an influential businessman is responsible for the death of his estranged wife.

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.