明朝成化年间，朝(cháo )纲腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把(bǎ )持(chí )，混淆黑白，陷害(hài )忠良，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂(chǎng )数名奸佞(nìng )，致令阉贼胆战心惊。适值(zhí )此时，风头正(zhèng )劲的西厂