明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野(yě )内(nèi )外噤若(ruò )寒蝉。时有(yǒu )赵(zhào )怀安（李(lǐ )连杰 饰(shì )）等流亡剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆(dǎn )战心(xīn )惊。适值此时，风头正劲的西厂