Xiaoyu, an introverted boy, meets badminton for the first time in a physical education class, and begins his journey to pursue his dream. He saved money to buy a racket, practiced with his neighbor Xiaoyan and then joined the school team. The school team trained hard, had conflicts with teammates, and suffered setbacks in games. However, with the encouragement of his friends and his own efforts, he adjusted his mentality and improved his strength, and finally overturned a strong opponent in the school team competition and won the championship. Xiaoyu has gained growth and friendship in badminton and is determined to continue this love and pass it on to more people.