明朝成化年间，朝(cháo )纲腐败(bài )，奸(jiān )邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲的西厂