Physical Education Teacher of Jianghai No. 1 Middle School Tall Tree was assigned by the school to form the "Jianghai Team", preparing for the winter vacation The "Autumn Yo-Yo Contest" was held to win glory for the school. The sudden joining of Li Fei, who transferred back from the United States, caused an uproar in the team. The training team invested in intense training. With everyone's support, Li Fei succeeded Mai Jun became the captain, and together with coach Gao Dashu, led everyone to finally win the championship in the "Autumn Yo-Yo Competition", and the team members also grew in the inspirational process.