In the 19th century, a UFO crash-landed in the tiny South Pacific country of Bombo World. In exchange for advanced technology, Bombo World traded the northern part of the island to the aliens, where they established their city of Dero City. A hundred years later, Dero City has become famous for its annual sports tournament. A five-year-old girl named Cookie Blair travels alone in the hopes of competing, but will she be pulled into something larger?