A man fights a bear, killing his older brother, finds himself turning into a bear to see life from the bear's eye as punishment for hating them, along with him a talkative cub as his only guide to returning to his former self.
A few months after the events of the first part, Kenai the bear now lives in the cave with his adopted brother Koda in safety and peace, and one day Kenai's friend asks for his help on a special mission, which makes Koda panic.