明(míng )朝(cháo )成化年(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(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲除东厂数(shù )名(míng )奸佞，致令阉贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂