明朝成化年间(jiān )，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把持，混淆黑(hēi )白，陷害(hài )忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数(shù )名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风(fēng )头正劲的西厂