明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持(chí )，混淆黑白，陷害(hài )忠良，朝野内外噤若(ruò )寒(hán )蝉。时有赵怀安（李连杰 饰(shì )）等流(liú )亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数(shù )名奸(jiān )佞，致令阉贼胆战心惊(jīng )。适值此(cǐ )时，风头正劲的西厂(chǎng )