明朝(cháo )成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺身(shēn )而出，接连铲除(chú )东厂数(shù )名奸佞，致令(lìng )阉(yān )贼胆战心惊。适(shì )值此时(shí )，风头(tóu )正劲的西厂