In ancient times in the Pacific Northwest, three Indian brothers whose parents died depended on each other and made a living by hunting. Once, the eldest brother broke into the bear's house while hunting. The mother bear thought that the eldest brother was going to hurt her child and beat the eldest brother to death. The remaining two brothers were full of resentment against the bear and vowed to kill all the bears in the forest. Kner ran to the forest without telling the second elder brother Dena. When he finally killed a bear after a lot of hardships, his behavior offended the mysterious power of the forest, and Kner was turned into a bear. Turned into a bear Kner met de Nano, who came to the forest to look for his younger brother. De Nano thought his younger brother had also been killed by the bear, and frantically chased Kner who had changed the bear. In order to restore his original appearance, Kner must set out to find the place where the earth meets the aurora. On the way, he met Kodak, a lonely bear, and they embarked on this mysterious journey together.