Zita is determined to find her way home to Earth, but her exploits have made her an intergallactic megastar, and as her true self is eclipsed by her public persona, she faces a robot doppelganger, unsure of who she can trust.
While on a trip on a huge cargo ship to a deserted South Seas island, orphans Henry, Jessie, Violet, and Benny Alden discover the island is not deserted at all.