明朝成化年(nián )间，朝纲腐(fǔ )败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时(shí )有(yǒu )赵(zhào )怀安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂(chǎng )数(shù )名奸(jiān )佞，致(zhì )令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂