明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡(wáng )剑客(kè )挺身而(ér )出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心(xīn )惊。适值此(cǐ )时，风头(tóu )正劲的西厂