The Earth, year 2020. After a collision with an asteroid, our planet has turned into an ice desert. The survivors were able to take refuge underground, but they turned into slaves of those who managed to gain a foothold on the surface and described themselves as "elite". The elite gather soldiers to fight the rebels from the dungeon boys and take girls to perform their concubines. The residents of the dungeons are totally dependent on the whims of the elite. Valkyrie, who did well in the past as marvelous concubine, is a hostess of a pleasure salon, having a knowledge of all the intricacies of life above and underground and waiting for the to lead the rebels punish the elite with all the cruelty and make people free.