The ISS Dolphin departed Earth on the first of June 2083 for the star system of Gliese 581 but disappeared about one year after leaving Earth. Sometime later, an unknown starship crashed on the water world of Zi'Govon and started sinking into its watery depths. Thirteen years later, a ship departed the water world to the nameless home of the starship that crashed several years earlier. Princess Dolphin must locate the planet the ship came from and give the information to their people. Although the teen princess grew up among the merpeople of Zi'Govon, she knows she's not of that planet. Will she locate the home of her ancestors?