A lovely Labrador was chosen to receive training as a guide dog. In order for it to build a relationship with humans, it was fostered in a couple's home. Because it had a brown birthmark on its body, like a flying seagull, it was named Little Q. The training was very difficult, but Little Q still became a guide dog and met its first owner, Mr. Watanabe, but Mr. Watanabe was skeptical. Just when the situation had improved, Mr. Watanabe fell ill, and Little Q had to return to the training center. Little Q had spent 7 years in the training center, and now it was able to return to the home of its "adoptive parents", but it became ill...