明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺身而(ér )出(chū )，接(jiē )连(lián )铲除东厂(chǎng )数名(míng )奸佞，致令(lìng )阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂