明朝(cháo )成化年(nián )间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而出，接连(lián )铲除(chú )东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风(fēng )头(tóu )正劲的西厂