Akiko, the Earthling hero best known for helping rescue Prince Froptoppit of the Planet Smoo, has been back on her home planet for several months now. She's just started fifth grade and has been made leader of the school safety patrol. But Akiko's not-so-normal adventures start up again when the grateful King of Smoo sends Akiko, Spuckler Boach, Gax, Poog, and Mr. Beeba on an all-expenses-paid vacation to the planet Quilk -- home of the Intergalactic Zoo

Wonders abound at the zoo. There are so many creatures of every shape, color, and size wandering around that it's hard to tell the difference between the animals and the visitors. Then the zookeeper takes a special interest in Akiko, and she is added to his personal collection Will Akiko and her friends find a way to escape from this nightmare vacation?