A lot of people love pets, but most people treat these little babies as little toys, happy to play with the dogs, unhappy to leave them behind. Even the old and ill dogs have to bear the risk of being left behind by their owners.
The dog down there is very impressive, because it's 10 years old, and the owner sees the dog as having lost its charm and is often sick. So sell the dog.
But in the end, dogs have lived with their own owners for 10 years and have a strong feeling about their own small masters, who are accompanied by dogs in their childhood.
To get away from this place, looking for the little master. As a result, it worked hard to dig holes on the ground and could not expect to escape from the cage.
It gradually follows the original memory to find the small owner's institution and waits for the small owner to leave school at the school entrance. When the small master saw the dog after school, his eyes were wet with tears, and he held the dog firmly and very moved.