After receiving shocking news about Avery's father, Jane and Weller must hunt down an elusive criminal. Meanwhile, Patterson's father helps the team in the lab.

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.

Jane and the team reach out to Patterson's father in the hope of gaining access to a high-level conference in Finland where they hope to bring Matthew Weitz to their side.

Turn off your mind, relax and float down stream...it is not dying...it is not dying.