明朝成化年(nián )间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦(huàn )官把持，混淆黑白，陷害忠良，朝野内(nèi )外噤(jìn )若寒蝉。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂