An elite unit of Navy SEALs must navigate their professional and personal lives as they execute dangerous, high stakes missions.
A retired SEAL -- who tracked people impersonating military personnel -- is murdered; Brody finds that LaSalle is uncharacteristically unenthusiastic about Christmas.
Elizabeth makes a secret trip to Iran in hope of preventing a coup that could affect President Dalton's administration; Elizabeth's staff is brought up to speed on the investigation into Marsh's death.
Mac, Desi and Russ go undercover during a royal Indian wedding to protect a princess whose policies could put her life in danger; Bozer suspects Riley is up to her old hacking ways.