明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混(hún )淆(xiáo )黑白，陷(xiàn )害忠良，朝野内(nèi )外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身而(ér )出，接连铲(chǎn )除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值(zhí )此时，风(fēng )头正劲的西厂