There was a dog got sick badly, the master decided to help him ended his life and made him rest in peace. Before mercy killing, the master did many things for the dog in his last day. He held the dog to hang around and saw the scenery and then made the delicious food. The master was very sad and he couldn’t help crying when he saw the dog got injection. Thinking about the illness, he thought he made the right choice for the dog. The relationship between people and animal is always deep and loyal, many movies about this relationship have moved the audience. Every pet should be treated as friend.