 Quincy investigates the death in an oil refinery fire. Is the man missing executive William Farrell? Quincy comes under pressure from the man s widow and her lawyer to declare a death for insurance purposes. Then Quincy discovers his conclusions will be refuted by Dr. Herbert Stone, the man who taught Quincy and whom he regards as a mentor. Dr. Stone now testifies for anyone willing to pay his fees. But Quincy believes the evidence is irrefutable, and Stone s testimony will destroy a once exemplary reputation, now tarnished by mercantilism. Quincy must discover the truth before his old mentor can destroy himself on the stand.