When General Irwin (Robert Redford) -- a POW in Vietnam and a revered hero in the Persian Gulf and Bosnian campaigns -- is court-martialed for disobeying orders, he's sentenced to serve time at a maximum-security military prison run by a hard-nosed disciplinarian (James Gandolfini). But a battle of wills emerges between the two men as the prisoners and guards of "The Castle" find themselves drawn to Irwin's natural leadership abilities.