Lost in deep space, the super-class castle liner "Volga" is drifting among the alien stars of the Dark Zone of the Milky Way, and events on board are gaining momentum. The young Prince-Defender Maxim Alexandrov and the Tsarevna of the Russian Star Empire Ksenia Zimneva continue to be forced to be in the virtuality of the game “Liberation of Terra”, while in reality their allies and opponents are making more and more new plans and trying to reshape the world to their taste. And in the Orion Arm , in the territory of Human Space, serious passions are boiling. The American Sector is burning in the abyss of civil war, the Russian Empire is shaking, engulfed in intrigue, and the Brazilian Crown is slowly raising its head, looking with interest at its troubled neighbors. Many troubles have befallen people in these years, and a terrible threat, capable of destroying Earthly Civilization once and for all, is slowly but surely emerging in the very heart of the capital planet of Russia - Ekaterina.