明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝(cháo )野(yě )内外(wài )噤若寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心惊。适(shì )值此时，风头(tóu )正劲的西厂