明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当(dāng )道。西厂东厂为宦(huàn )官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野(yě )内(nèi )外噤若寒蝉。时有赵(zhào )怀安(ān )（李连杰 饰）等流亡剑客挺(tǐng )身而(ér )出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头(tóu )正劲的西厂