明朝成化年间(jiān )，朝纲腐(fǔ )败，奸邪(xié )当道(dào )。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝(cháo )野(yě )内外噤若(ruò )寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西厂