明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把(bǎ )持，混淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒(hán )蝉(chán )。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出(chū )，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适(shì )值此时(shí )，风头正(zhèng )劲的西厂