明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当道(dào )。西厂东厂为宦(huàn )官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等流(liú )亡剑客挺身而(ér )出，接连铲除(chú )东(dōng )厂(chǎng )数名奸佞(nìng )，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂