Nash and company foil a jewelry heist ring posing as firemen. Nash hits a pedestrian and gets sued. But Caitlin has misplaced Nash's auto insurance bill, and he blames Caitlin.

Nash persuades Jake Cage to help him trap a fugitive at a high society wedding, but first Caitlin must give Cage a lesson in proper etiquette. Meanwhile, Nash and Joe steal a Stradivarius violin to test a wealthy man's security system.