The 31-year-old Chen Zhihe understands that life is like a game of chess, there is no regret when you make a move, and there is no turning back for everything. Once he suddenly returned to high school, he replayed his life more than ten years later and decided to choose a different path. He did notI want to let the world revolve around him, I only hope to make up for my mistakes, and then do what I want to do. But, unintentionally, the world becomes different from the original.