明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑(hēi )白，陷害忠良(liáng )，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂数(shù )名奸佞(nìng )，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正劲的西厂