明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安(ān )（李连(lián )杰 饰）等流(liú )亡(wáng )剑客挺(tǐng )身而出，接连(lián )铲除东(dōng )厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值此时，风头(tóu )正劲的西厂