明朝成化年(nián )间，朝纲腐败(bài )，奸(jiān )邪当道(dào )。西厂(chǎng )东厂为宦(huàn )官把持，混淆黑白，陷(xiàn )害忠良，朝(cháo )野内外噤若(ruò )寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂