明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑(jiàn )客挺身(shēn )而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战心惊(jīng )。适值(zhí )此(cǐ )时，风头正劲的西厂(chǎng )