The Robot Alliance dominates 90 percent of the universe, but one of the brave biologicks (organic organisms) -- Sapphire, Princess Knight of Silverland -- forms a band of space pirates to strike back against injustice!! Joining her in her rebellion are Leo of the planet Jungaly, and Sharaku, the Three-Eyed One.

The curtain rises on a sprawling space opera starring the heroes created by Osamu Tezuka, the "god of manga"!!