Eddie Moon is a genius 12-year-old who seeks adventure. He gets his chance when a space ship mysteriously appears in his backyard. The ship whisks Eddie and his friend Lisa to a planet that is the mirror image of Earth. Eddie and Lisa embark on an adventure to save his "twin" from the horrible rat cave prison. Along the way they encounter several unusual and interesting characters. Will Eddie be able to save his "twin"? How will Eddie and Lisa find their way back to Earth?
