A series of crises on Mitch and Cam's wedding day put Pepper to the test; Phil gets an eye procedure before the celebration; Claire embraces the role of best woman.
Elizabeth and President Dalton head to Rome for the G20 Conference; Henry is sent to Israel to intercept the doomsday cult's bio-weapon; Blake reveals a personal secret to his former colleagues.
Patrick Jane and the team are called to investigate the robbery and murder of a wealthy jeweler while attending a black tie fundraiser for the CBI.
When a strange murder scene points to a ritualistic killing, Castle and Beckett search for the killer.
Michael, Whip and Ja make a deal with the devil for another chance to escape from Ogygia; T-Bag meets with Kellerman to gather more information on Michael's resurrection.
