In the near future, our planet turns into a wasteland covered in sand -- the world resembles a dry, lifeless stone. Civilization is hopeless. Awesome and terrifying creatures scour the sand, searching for food and confronting the few human survivors. Zizi is a mysterious girl with the power to see through the sand sea. Her tribe has endured against the great sand whales, but the hunt has run dry lately and things look bleak. In her struggle for survival, Zizi meets a pirate named Sabu on the sand sea. The future of their peoples -- and the success of their quest for something to believe in -- may just depend on these two...