纯朴善良的青年阿锦（托尼·贾 Tony Jaa 饰）自幼生长在泰国一个原始丛林中，村民们日出而作，日落而息，过着平和安静的生活。他们以大象作为交通工具和助手，人与动物间建立了深厚的友情。阿锦的父亲曾是一名皇家护卫，他在闲暇之余教儿子学习泰拳，好有朝一日进宫保卫国王。 父亲精心饲养大象，在泼水节当天拜托村长将大象献给国王。谁知村长图谋不轨，将大象转手卖给黑帮，企图销往澳洲牟取暴利。他们不择手段，还打伤了阿锦的父亲。愤怒的年轻人只身闯入黑帮老巢，与这群不法之徒展开大战。当得知大象正被送往悉尼，阿锦毫不犹豫，只身前往，由此踏上一条充满死亡危险的道路……

1920s. Vietnam under colonial French ruling. Anti-French rebellions emerge all over the country to disrupt the foreign occupiers. In respond, the colonialist employed units of Vietnamese agents to track and destroy these rebels. The film follows the journey of LE VAN CUONG, a French cultured undercover elite. Although branded with a perfect track record, Cuong's inner conscience is troubled by the sea of Vietnamese blood he had spilled to uphold a French washed ideal. Following an assassination of a high ranking French, Cuong is assigned to seek and kill the notorious leader of the resistance. Cuong encounters VO THANH THUY, a relentless revolutionary fighter and the daughter of the rebel leader. Cuong's superior intends for him to use Thuy as a mean to get to her father but Cuong soon has feelings for her. Thuy's patriotism ignites conflicts between Cuong's consciousness and his cultured faith. Will Cuong discover his inner-self and find love or will he continue his mission? The journey unfolds...