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.
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.
Judd literally walks straight into the line of fire when an armory catches on fire, sending bullets flying everywhere; Owen questions Judd's pledge of sobriety; Marjan introduces her boyfriend Joe to her visiting parents.
A shuttle accident leads to Spock's Vulcan DNA getting removed by aliens, making him fully human and unprepared to face T'Pring's family during an important ceremonial dinner.
When a strange murder scene points to a ritualistic killing, Castle and Beckett search for the killer.