简介：<p>讲述了三位老人为了一句承诺，走上了赴异地博物馆送手稿的路程，一路艰辛、意外频出，但仍然为故友了却了遗愿的故事。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;为了完成好友的临终遗愿，三个耄耋之年的老人踏上了一场有趣的旅程…</p>…