Walker finally goes head to head with "The Chairman," the criminal mastermind behind the assassination of a number of undercover federal agents, when Alex is kidnapped.
Nash goes undercover to stop a high-end heist artist. Joe helps a restaurant critic who receives death threats; Evan is back in the SIU; Caitlin takes an administrative job within the department; and Harvey helps out a troubled 12 year old boy.
Events are set in motion.
