The Bourne Supremacy re-enters the shadowy world of expert assassin Bourne (Damon), who continues to find himself plagued by splintered nightmares from his former life. The stakes are now even higher for the agent as he coolly maneuvers through the dangerous waters of international espionage-replete with CIA plots, turncoat agents and ever-shifting covert alliances-all the while hoping to find the truth behind his haunted memories and answers to his own fragmented past.