明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外噤若(ruò )寒(hán )蝉。时有(yǒu )赵(zhào )怀安(ān )（李连杰 饰）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆(dǎn )战心惊。适值此时，风(fēng )头正劲的西厂(chǎng )