This is a story about a puppy that touched hundreds of millions of people around the world. Batong (played by Da Huang) is a lovely Chinese rural dog. He met his destined owner Chen Jingxiu (played by Feng Xiaogang) in the vast sea of people and became a member of the Chen family. As time goes by, the once beautiful home is gone, but Batong is still waiting there, and his fate is closely tied to his family. This film is adapted from the original script "ハチ公物语" by Kaneto Shindo.