Space Pilot Colonel Rulak serves the totalitarian nation of Europa in the year 2200. Rulak is caught reads books from the 20th century, with stories of a "world of freedom, men unwatched by thought control!" He is caught reading one of these banned books, and is ordered to report to the Supreme Warlord, Ates. Ates tells Rulak to investigate some scientists who escaped in a rocket ship and vanished when Europa conquered Amerika. The field of search is narrowed down to the planet, Minos. Minos is a small planetoid near Mars.