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Live Free or Die Hard is an action film starring Justin Long as Matt Farrell, a talented hacker. The story revolves around Farrell aiding John McClane (Bruce Willis) in thwarting a cyberterrorist plot masterminded by Thomas Gabriel (Timothy Olyphant) to plunge America into chaos by attacking critical infrastructure. Long effectively portrays the intelligent and resourceful Farrell, providing crucial assistance to McClane in their mission.