In the ocean off the Pacific West Coast, a hungry orca pod is chasing the last remaining salmon. When Little O becomes separated from Mama Whale and gets lost, he must begin a journey of survival that will take all his strength and courage. On his quest to find the salmon and reunite with his family, Little O becomes connected to Mother Nature through her magical messages and the creatures he meets along the way, including Dalli the porpoise, Lutris...