Indigenous sisters Luka and Little Feather have a dream to see the ocean. But how can they? It's cold where they live, in their small town, where only simple things seem to happen. Even in the quietness of their serene home, the girls long for adventure and often tell stories of what they would do if they ever did get to see the ocean.

While out exploring by the river, Luka finds something that will change their lives forever-a yotnʌyátku, or "magic stone." Luka and Little Feather take it home, where they make their wish to see their beloved ocean. At first this stone seems like just a plain old rock, but when they awake, they realize they have been transported to an underwater world of magic and amazement.

Together with their friend Whaliam, the girls explore the blue sea. The vibrant colors, new friends, food, and experiences are more than the girls could have ever asked for. However, Luka and Little Feather soon realize that even with their dream coming true, nothing is as extraordinary as the comforts of home.