明朝成化年间，朝纲腐败，奸邪当道(dào )。西(xī )厂东厂为宦官把持，混淆黑(hēi )白(bái )，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身(shēn )而出，接(jiē )连铲除东厂数名(míng )奸佞(nìng )，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂