A 16-year-old boy is paranoid and aloof, carrying a hidden secret of his growth. He is alone and breaks into a strange group. From fighting to making friends with the people around him, from rejection to intimacy, the self-isolated boy finally opened his heart and welcomed the first ray of sunshine in the morning. Destiny is like a whirlpool, pulling them away from the track they want to take. The road to growth is thorny at every step, but young minds move forward indomitably. After some people appear and disappear, what kind of faith and persistence will the people left behind have? The once fearless young man, the once indomitable soul. Regardless of smiles or tears, the past events in our youth are looking down peacefully in the sky, quietly watching our growth.