Patterson's father, Bill Nye, returns for a case that pits the team against a pestiferous foe. Zapata goes rogue with an old friend. Jane and Weller continue their search for the hooded figure.
Quest roles:
Bill Nye(Bill Nye), Britne Oldford(Claudia Murphy), Colby Minifie(Ginny Kelling), Tobias Segal(Nick Pomeroy), Kathleen Mary Carthy(Mercenary Leader), Nancy Lemenager(Chelsea Chalgren), James T. Alfred(Chaz), Adam Lindo(Burly Goon), Slate Holmgren(Barry Wallace)