明朝(cháo )成化年间(jiān )，朝纲腐(fǔ )败，奸邪当(dāng )道。西厂东厂为(wéi )宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀(huái )安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的西厂