明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂东厂为宦官(guān )把持(chí )，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺身(shēn )而(ér )出，接连铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲(jìn )的西厂