Prokhor Smirnov did not expect to fall into a trap so soon. But the Hunters calculated the trajectory of the formonaut’s movement and were able to reach him even here, at the Plesetsk cosmodrome, a closed military facility. Yes, apparently, from the very beginning, Prokhor underestimated the dangers of his “travels” through the number worlds of the universal “matryoshka” and the capabilities of those who would give dearly to ensure that the secret knowledge that the mathematician stumbled upon almost by accident would never reach humanity. Well, forewarned is forearmed. Further on, point by point: throw off the “tail”, get to your own people, understand what kind of hornet’s nest he inadvertently stirred up and what to do with all this now. Here and in other worlds...