明朝成化年间，朝(cháo )纲腐败(bài )，奸邪当道。西厂东厂为宦官把(bǎ )持，混淆黑(hēi )白，陷(xiàn )害忠良，朝(cháo )野内(nèi )外噤若(ruò )寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身(shēn )而出，接连(lián )铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )