The mystery of the Putorana Plateau on the Central Siberian Plateau has excited the public: an unknown object, both similar and dissimilar to a UFO, that appeared near Lake Vivi, missing equipment, disappearances of people, an urgently organized scientific expedition with the participation of the military. And no information. Journalists could only guess and make the wildest assumptions. But the situation turns out to be even more incredible, as Nazar and Leonty Khromov, brothers, an officer and a scientist who became participants in the expedition to Siberia, will soon see. And not just make sure, but become direct participants in events that will combine the distant past of the Universe and the possible future of humanity...