The term "garbage" is relative, but most people's definition of garbage is absolute and rigid, and the definition of a person like "garbage man" is also relative. Compared to the ostrich that disappears when humans avoid garbage and not see psychological. With a lively and lovely tone, the film brings out the special views of how the two protagonists look at trash when they walk between the cities, and then connects the delicate relationship between their love for trash and their families.