明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝野内外噤若(ruò )寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接(jiē )连铲除东(dōng )厂(chǎng )数名(míng )奸佞，致令(lìng )阉贼胆战心惊。适(shì )值此时，风头正(zhèng )劲的西厂