خلاصه داستان : داستان پس از زلزله شهر سندای روایت می‌شود، زمانی که مردی جوان به‌نام کازوماسا ناکاگاکی شغل خود را از دست داده و با سگی به اسم تامون آشنا می‌شود. تامون صاحب خود را در زلزله از دست داده و کازوماسا مسئولیت نگه‌داری او را قبول می‌کند. پس از مدتی تامون با کازوماسا و خانواده‌اش اخت...

6 months after the earthquake disaster in Sendai City, Nakagaki Kazumasa is a young man who has lost his job. He encounters a dog named Tamon on its dog tag, who lost its owner in the earthquake disaster. Kazumasa decides to take Tamon in, and the dog becomes attached to him and his family, but Tamon always seems concerned about something in the south direction. One day, while Kazumasa is involved in a dangerous incident, Tamon disappears. Later, in Shiga, Tamon is with Sugai Miwa, who has a sad secret. Kazumasa reunites with Tamon, and they start a new life together. Nevertheless, Tamon heads south because Tamon has a promise it wants to keep to a boy.