Hounded by a gang of kids after her mother's disappearance leaves her on her own, Lucinda hides in the abandoned caretaker's house in the local cemetery where she makes contact with intelligent beings from another galaxy.
When thirteen-year-old Tash and her younger brother Zak visit the planet Gobindi with their Uncle Hoole, they discover an Imperial plot to spread a terrible virus across the galaxy.
Thirteen-year-old Tash, her younger brother Zak, and their Uncle Hoole visit the planet D'vouran, where they encounter the sluglike crime lord Smada the Hutt and reports of people vanishing into thin air.
Tash, Zak, and their mysterious Uncle Hoole find themselves in a dangerous situation when they journey to Kiva, a planet on the galaxy's Outer Rim, to make sure the evil Borborygmus Gog's Project Starscream has really been destroyed.