Space Dog doesn't know anything about his past. All he knows is that his earliest memories reflect his desire to keep the world safe from anyone who may threaten it.
A dangerous enemy has emerged with a plan to steal the ancient Solar Stone, an item that is said to be able to destroy the sun and manipulate the very seams of the galaxy.
What this foe doesn't know is that the Stone can't be used without cracking the Solar Stone Code. Now, Space Dog must crack the Code to put an end to this new threat.
The fate of the galaxy depends upon this curious stone and the secrets that lie behind it.