本片改编自经典电玩游戏。主人公为了报杀母之仇，投奔祖父三岛，请求后者训练自己成为强者。后来三岛举办了“铁拳之王”的比赛，主人公发现自己的杀母仇人也是选手之一，于是决定参加比赛与其一决生死。The year is 2039. World wars have destroyed everything and territories are run by corporations, the mightiest -- and cruelest -- of which is Tekken. Jin Kazama (John Foo) witnesses the death of his mother Jun (Tomita) by Tekken in the slums known as Anvil. Vowing vengeance, and armed only with his street smarts and raw fighting skills, he enters a dangerous and potentially deadly combat tournament, where he must defeat the world's most elite fighters to become the "King of the Iron Fist."