Young Lin Yu has a magical machine that allows him to travel between modern times and 1978. He continues to explore and grow in this unique experience. The development of both eras left the footprints of his struggle, and he became a legend who traveled through time and space. Standing at a new starting point, Lin Yu looks to the future and is determined to continue to use the advantages of time and space travel to create more value for the two eras and open a new chapter in the development of time and space.