明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂