明朝(cháo )成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把(bǎ )持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸(jiān )佞，致(zhì )令(lìng )阉贼胆战心惊。适值(zhí )此(cǐ )时，风头正劲的西厂(chǎng )