明朝(cháo )成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀安(ān )（李(lǐ )连杰 饰）等流(liú )亡剑客挺身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致(zhì )令阉(yān )贼胆战心惊。适值此时，风头(tóu )正劲的西厂