明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持(chí )，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺身而出(chū )，接连铲除(chú )东厂数(shù )名奸佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此(cǐ )时，风头正(zhèng )劲(jìn )的西厂