The evil Space Wizard, Galiel, returns to Oceana, 2,000 years after he stole one of the planet's life-giving crystals. In a display of power which frightens the planet's inhabitants, Galiel creates chaos by creating tidal waves and earthquakes. The leaders of the Amphibian, Flyer and Cave Dweller clans meet with Oceana's King Nemon to discuss their fears. They tell him that Galiel is responsible for the havoc, but the King is not convinced. The Cave Dweller leader, Laziah, is anxious for the King's niece, Princess Neri, to return from a visit to Earth. He is convinced that she is the Promised One, spoken of in the ancient prophecy, who is destined to defeat Galiel. Princess Neri, arrives back on Oceana with her Cave Dweller companion, Neanda, and her dog-like droid, Micro. Galiel sends his warrior to destroy her, but a mysterious young man steps in to save her.