明朝成(chéng )化年间，朝纲腐(fǔ )败(bài )，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若(ruò )寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流(liú )亡剑客挺身而(ér )出，接连铲除东厂(chǎng )数(shù )名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正(zhèng )劲的西厂