This film mainly tells the story of Taekwondo teenagers who are crooked in their growth process, facing their dreams, facing themselves, making choices and persevering. He often has a heroic dream at night about punishing evil and promoting good, so much so thatHe is the superhero in every night's dream. But the gap between reality and dreams always left him with a deep sense of loss. In reality, his loneliness was shrouded in clouds, and all of this was not until he learned Taekwondo,Waiwai Wai underwent a huge transformation, learned to persist and never give up, and finally became the true superhero of that dream and reality.