明(míng )朝成化年间(jiān )，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良(liáng )，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀(huái )安(ān )（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂