明朝成(chéng )化年(nián )间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若(ruò )寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞(nìng )，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂(chǎng )