Despite a warning form an anonymous contact, Hoole and Tash visit the planet Gobindi, where they hear rumors of a secret Imperial Base and a plot to spread a terrible virus across the galaxy, and Tash discovers a bump on her arm.

Hologram Fun World is a theme park visited by families from all across the galaxy. One of the park's attractions is called the Nightmare Machine. It scans your brain, then shows you your worst fears in holographic form. It's not real, so it's fun--right? Zak and Tash soon find out that nightmares can come true.

Zak and Tash are stuck on the luxury yacht Star of Empire.

Zak and Tash hope to defeat the evil scientist Gog by finding the lost Jedi library on the abandoned space station Nespis 8, but that storehouse of knowledge is supposedly cursed and guarded by the ghost of a Jedi.