明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪当(dāng )道。西厂东厂为宦官把持(chí )，混(hún )淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉(yān )贼胆战心惊。适值此时(shí )，风头正劲的西(xī )厂