The Space Brigade receive an intriguing letter. The planet of Shobble wants to employ their services! When the Space Brigade land on the planet of Shobble they soon discover this beautiful planet has a dark secret. Most of the population are virtually slaves, forced to mine for marshmallow and drill for chocolate. Led by a teenage girl called Topaz, the workers are beginning to rebel. The Commander-in-Chief wants the Space Brigade to squash the rebellion. Now the Space Brigade are on an incredible journey that will take them across infested rivers, snowy swamplands and frozen seas. Along the way theyll learn new skills, make new friends - and they might just change this planets history forever.