An ordinary office worker, an unspeakable dream, experienced a reversal of time and space in a specific place, returning from modern times to the turbulent era of the late Yuan Dynasty and early Ming Dynasty. However, during the shuttle process, he suddenly degenerated from a young man in his twenties to a child who looked only seven or eight years old. After experiencing various ups and downs, he suddenly realized what the purpose of his existence was, and why he experienced such a strange encounter and came into this torrent of history.