Planet Terra, a blue and beautiful planet in space. However, due to a prolonged 7-year war, the once blue planet is turning into a place of ruins and death, facing the brink of destruction. The war resulted in a surge of orphans who lost their parents and caused various anomalies, but a movement to restore Terra began to emerge among the survivors. Rick, the grandson of the renowned Terra scientist Dr. Herring, is a young boy who cares for war orphans. When the orphanage is threatened with demolition by the landlord for failing to pay rent, Rick takes on all sorts of jobs to save his younger siblings, but even then, it was barely enough to make ends meet. One day, he sees a poster offering a reward of 10 million krona to anyone who finds the 'Sun Crystal'. To save his siblings, Rick embarks on an adventure with the assistant robot Goodpo and Roto, an orphan with a vibrant personality. During their journey, they enter a battleship due to a sandstorm and accidentally encounter a beautiful girl lying unconscious, and at the same time, see the image of a man appear in a hologram...