明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有赵(zhào )怀(huái )安(ān )（李连(lián )杰 饰）等流亡剑客挺身而(ér )出，接连铲除东厂(chǎng )数名(míng )奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂