In the modest apartment of an ordinary mathematics teacher Nikolai, a strange translucent guest suddenly appears, and the young man’s life changes at once. Now he is a doctor of science, a deputy, a rich man and an eligible bachelor. But the world around us is also not the same! Russia acquired the status of a superpower and began to be called the Land of the Rising Sun. Or did Japan unite with the United States, turning into a samurai Pacific empire? Or is there no other reality other than the Eurasian Union into which the USSR transformed? In any case, exciting adventures, intrigue and love await the hero, which will challenge time and the laws of probability.