道路有长有短，兄弟姐妹正试图到达祖父家，搭便车的人在路上会见不同的人，但真正的同伴仍然是家庭工厂。 常规的旅行逐渐成为寻找自己根源的旅程，而到达目的地后会发生什么呢？

Road short about long road. The siblings are trying to reach the grandfather's house. Hitchhikers meet different people on the road, but the real companion remains the home plant. A typical trip gradually becomes a journey to find own roots. What will happen when they reach the destination?