When a storm sweeps Emi's beloved stuffed fox away from their mountain home, he ends up tattered and alone on a distant shore. A kind old man finds the fox and gives it to his granddaughter, Kiko. As she recovers from an injury of her own, Kiko mends the fox lovingly with golden thread. As the seasons pass, Kiko cares for the fox as her own. But after discovering his origins, she sets out, with her grandfather's help, to bring the fox back...