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艾瑞（Dennis Alexio 饰）是一名技术精湛的拳击运动员，在和泰国拳王唐波的对决中，轻敌的艾瑞不仅遭遇了惨败，还落下了残疾就此告别了拳坛。科特（尚格·云顿 Jean-Claude Van Damme 饰）是艾瑞的弟弟，哥哥的不幸遭遇让他的内心充满了愤怒，他决定向唐波寻仇。科特找到了武林高手西安（陈国新 饰），拜他为师学习泰拳。福瑞迪（李家鼎 饰）是当地出了名的恶霸，人人看见他都要绕着道走。因为美丽的姑娘麦莉（Rochelle Ashana 饰），科特和福瑞迪之间结下了梁子，福瑞迪知道了科特的身份，于是派出唐波和他再度站在了擂台之上。就在比赛即将开始之际，科特得知福瑞迪绑架了艾瑞。
In this rousing sequel to Kickboxer, Tong Po broods about his defeat at the hands of Kurt Sloan. Po and his managers resort to drastic measures to goad Kurt's brother into the ring for a rematch.
Kick-box champion David Sloan arrives in Rio de Janeiro for an exhibition fight. He and mentor Xian take pity on Brazilian rascal Marcos Coasta, an urchin who offers guide services but routinely steals from tourists for himself and his older sister Isabella. David is shocked when he sees how his Argentinian opponent Marcelo needlessly abuses a courteous local sparing partner. That's the doing of his evil US manager, Lane. He has nasty plans to force David to cheat and runs a white slavery racket.
David Sloan被人诬蔑为国际恐怖组织的成员，并以涉嫌谋杀的罪名被监禁。但是他并没有犯下这项罪行。在监禁期间， 他得知Tong Po绑架了他的妻子并劫持到了在墨西哥。联邦调查人员进行调查时，要求David带领他们进入Tong Po的大本营，条件是释放David。 David凭着自己的努力进入了Tong Po的跆拳道比赛，但如果他想找到自己的妻子的话，那他就必须打败其他的对手。为了自己的生命，为了妻子，他一定要获得胜利，这时，他已不再是罪犯了。
Kickboxing champion Matt Reeves witnesses the murder of his friend Johnny. While investigating the crime, he learns that a Mr. Negaal in South Africa has founded a new kickboxing association and does not leave international champions much of a chance. Johnny had to pay with his life when he did not want to join. Neegal seems to kill everybody who is in his way especially David Sloan from the previous Kickboxer films. Matt is on his own now, but suddenly finds an unexpected ally.