明朝成(chéng )化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西(xī )厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤(jìn )若(ruò )寒(hán )蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心惊(jīng )。适(shì )值(zhí )此时，风头正劲的西厂