Ask the world what love is, and let this pair of "dogs" pledge their lives to each other. In the middle of a busy road with cars coming and going, a white puppy lies lifelessly, while another yellow dog anxiously waits by her side, using its paws to dig and its mouth to push. All its efforts are aimed at bringing her to a safe place, even though her body is gradually becoming cold. Once, twice... the little yellow dog failed...