It tells the story of a fifteen-year-old boy, Mi Hang, who is a top student in school, but because he is addicted to mobile games and tired of studying, he often conflicts with his parents. Later, he travels back to the 1990s thirty years ago and re-takes the path of education that his father Mi Zheng took that year. With an active and progressive heart, he endured hardships and stood hard work, and blazed a bright road for his father's education... He experienced his father's junior high school, high school, college, and workplace years, until his parents got married. He experienced ten years in his father's time, feeling the difficulty of his father's growth and success. He did not travel back until he was born, and experienced the growth of a decadent boy to the return of a sunny and motivated boy...
Mi Chi and Mi Shu traveled to the previous eras, the Southern Tang and the Northern Song Dynasty, experienced by their father thousands of years ago. Then the three of them traveled to the future world to explore the mystery of time travel. Su Yao's Northern Song Dynasty traveled with them to modern times. The entire mystery of time travel will be taken by the three Mi brothers and sisters to explore with us...