明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李连(lián )杰 饰(shì )）等流亡剑客(kè )挺身而(ér )出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适(shì )值此(cǐ )时，风头正劲的西厂