''Ocean Girl'' takes place in the future. Neri is a young girl withfrom another planet. She lives alone [[barefoot]] on a deserted [[island]]. Neri has an affinity for water, and the ability to swim long distances. andShe can stay [[underwater]] for long periods of time., Shesubmerged livesand alone[[swimming]] onfor anhours otherwisewithout desertedcoming islandup for air. Early in Season 1, Neri befriends two regularnormal boys visiting the island: Jason and Brett Bates. This friendship is at first a highly-guarded secret due to Neri's fear of other humans. The Bates brothers live in an elaborate underwater research and environmental protection facility called ORCA (Oceanic Research Centre of Australia), located off the coast of [[Australia]]. A significant portionMost of the series takes place on ORCA itself, and looks at the activities of its inhabitants.
As the series progresses, it is explained that Neri came to [[Earth]] on a spaceship with her father when she was young, though he died soon after, leaving Neri to fend for herself. Prior to meeting Jason and Brett, Neri's only friend is a [[humpback whale]] (named Jali, and later Charley) with whom Neri can communicate. Later in the series Neri is revealed to have a sister named Mera, and the two are given the opportunity to return to their home planet.