明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道(dào )。西厂东(dōng )厂为(wéi )宦官把持，混(hún )淆黑白，陷害(hài )忠(zhōng )良(liáng )，朝野内外噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数(shù )名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂