The Void is the most powerful planet in the Alto-G Galaxy; a target for the evil 41st Empire. Jet Ryder, Commander of the 6th Rebellion, and his army are at war with the 41st Empire's army, the Shadow Warriors, once again. Ryder, also a Stone Master, has abandoned his army to search for another stone, one that could help the 6th Rebellion win the war. The only question is: Can he find it in time?