When Jim suddenly comes into possession of a map with directions to the legendary Treasure Island, he wastes little time before jumping into a tiny boat with his friend Gran in search of adventure and fortune. It is not long, however, before they are captured by the infamous Captain Silver and the Pork Sauté pirates. After barely avoiding death, the pair is taken to Pirate Island, where many crews are organizing a search for the legendary treasure. Together with Kathy, the rightful heir to the map, Jim and Gran must use all of their wit if they are to seize the gold.