The story is set in a small southern town at the beginning of the century, where people believe that innocence and hope can bring a better tomorrow. Your life and mine is like going through one race after another. This time, the race is full of hopeful middle school runners and the running team coach who is frustrated but still trying his best. As an eyewitness, the writer Wu Youli originally only wanted to profile the sweat and passion of these teenagers, but she, who came from afar, became an uninvited guest on the racetrack. The hurt caused by betrayal flows in the hot and uneasy air of summer, in the dust raised on the racetrack, in the wet eyes, in the heartbreak pain...