Ling Yuan, a freshman in high school, had a rough life since childhood. He was bullied because of his height disadvantage. His girlfriend's false gentleness and the gangsters' wanton bullying made him intolerable. Thanks to the secret help of his cousin, he practiced hard day and night by relying on fighting videos. He transformed from a soft persimmon who could be manipulated by others to a young man who dared to fight back with his fists. In the battle on campus, he struggled to tear apart a piece of the sky.
