明朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂为宦(huàn )官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等(děng )流(liú )亡剑客挺身(shēn )而出，接连铲除东厂数(shù )名奸佞，致令阉(yān )贼胆战心惊。适值此时，风(fēng )头正劲的西厂