A psychiatry student gets on a tram that delivers him twenty-five years into the future, where an unexpected encounter awaits him.

Soviet achievements in space exploration: the launch of the first satellite, the first flight of Yuri Gagarin, as well as the first man's exit into outer space - all this became possible thanks to the unprecedented feat of the scientist, whose real name for many years was unknown to the masses, who knew the Korolev only as the main constructor . But, as often happens with large-scale personalities, the way of the Korolev was not simple: in addition to the technical tasks faced by the person who committed the incredible, he had to fight both with the party leadership and with the distrust of his colleagues. However, the extraordinary will of the constructor and the support of those who believed in him, turned out to be stronger than circumstances.