明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑客(kè )挺身而出，接(jiē )连铲除东厂数名奸(jiān )佞(nìng )，致(zhì )令阉贼胆战心(xīn )惊。适值此时，风头正(zhèng )劲的西厂