明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东(dōng )厂为宦官把持(chí )，混淆黑白，陷害忠良，朝(cháo )野内(nèi )外噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉(yān )贼胆战(zhàn )心(xīn )惊。适值此时(shí )，风头正劲的西厂