明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当道。西厂东厂为宦官把持(chí )，混淆黑白(bái )，陷害忠(zhōng )良(liáng )，朝野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲(jìn )的西厂