The movie tells the story of Kentaro Yamada, an advertising man played by Shido Nakamura, who suffered frustrations from clients because of his creation of dog food advertisements. When he was disappointed, he remembered his childhood best "friend" Pochi... Yamada, who transferred to another school, had no friends and had to wander alone in the open space. Then he accidentally met the honest and honest Shiba Inu Bozi. Bozi often played with him by his side. The most innocent friendship was established between humans and dogs. However, an accident unexpectedly made this dog... After being separated from his good friend, the loyal Bozi decided to go out looking for Yamada... The movie describes the story between man and dog in segments in the form of a platter...