明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊(jīng )。适值此时，风头(tóu )正(zhèng )劲的西厂