
When a mild mannered safety inspector for the city (guest star Jonathan Silverman) miraculously survives a poisoning, it might be luck; but when he survives another, it’s a mystery Castle and Beckett will have to solve.
Air date: April 25, 2016 / Directed by Bill Roe / Written by Rob Hanning
Guest cast: Jonathan Silverman as Alan Masters, Marin Hinkle as Dr. Rebecca Ellins, Kristoffer Polaha as Caleb Brown, Maurice Benard as Horatio Spate.