明朝成化年间，朝纲腐败(bài )，奸邪当道。西(xī )厂(chǎng )东厂为宦官把持，混(hún )淆黑白(bái )，陷(xiàn )害忠(zhōng )良，朝野内外(wài )噤若寒蝉(chán )。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )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(xī )厂