明朝成化年间(jiān )，朝纲(gāng )腐(fǔ )败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内(nèi )外噤若(ruò )寒蝉。时(shí )有赵(zhào )怀(huái )安(ān )（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂(chǎng )