None of the inhabitants of the Xenobe-19 colony thought about the name of the planet. Torn off from the Earth, having lost contact with their ancestral home, they fought for survival as best they could. Few asked questions and tried to find the truth, to understand why the colony was slowly dying out, and the city was turned into a Citadel, besieged by mechanoforms of another race. Several people, placed outside society by a combination of circumstances, find the strength to take risks in order to find out the truth. None of them even I couldn’t imagine what it would be like - the truth about ourselves...