明朝成(chéng )化年(nián )间，朝纲腐败，奸邪(xié )当道。西(xī )厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺(tǐng )身(shēn )而(ér )出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西(xī )厂