山区邮递员的辛苦是无人能体会，山路崎岖难行，孤独岁月伴随着邮递员的生活，家庭的不理解也早就了妻子的遗憾离世，儿子也对父亲产生了很深的误解，以为父亲每天是在欢快的道路上乐不思蜀。直到有一天父亲终于老了，退休了，儿子接替了他成为了山区的邮递员，原本想象中的世界竟然和现实天壤之别，送信时候以为会得到大家的感谢和欢迎，可似乎大家都觉得是理所应当。父亲带着儿子熟悉山路，来到一个侗族山寨送信，恰逢这里有一对新人正在举行婚礼，两人受到邀请一起参加了这个婚礼

或者是真开心，或者是感慨自己退休之后的岁月和已经离开的妻子，这天父亲喝多了，回去的时候走路摇摇晃晃，不放心的儿子背着父亲趟过溪水走过山路，父亲也感受到了儿子的温暖，而儿子也理解了父亲的工作，两人回忆着孩子的母亲，身后还跟着那条熟悉的狗，共同走过同一条山路......

No one can understand the hard work of postmen in mountainous areas. The wife passed away with regret, and the son also had a deep misunderstanding of his father, thinking that his father was on a happy road every day. Until one day his father finally got old and retired, and his son succeeded him as a postman in the mountain area. The world he imagined was completely different from reality. As it should be. The father took his son who was familiar with the mountain roads and came to a Dong village to deliver a letter. It happened that a couple was having a wedding here, and they were invited to attend the wedding together

Either I am really happy, or I feel sorry for the years after retirement and the wife who has left. My father drank too much this day, so I went back When I was walking, I was staggering, and the worried son carried his father on his back, wading across the stream and walking through the mountain road. The father also felt the warmth of the son, and the son also understood his father's work. The two recalled the child's mother, and they followed behind A familiar dog walked the same mountain road together...