明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而(ér )出，接(jiē )连铲除东厂数名奸(jiān )佞(nìng )，致令阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的(de )西厂