明朝成化年间，朝(cháo )纲(gāng )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，朝野内外噤若寒(hán )蝉。时有(yǒu )赵怀安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身(shēn )而(ér )出，接连铲除东厂数名(míng )奸(jiān )佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂