A campus sports growth story. Ordinary girl Xia He, relying on her eye-catching 400-meter performance in physical education class, is selected for the school track team, starting her long-distance running path relying on a pair of old running shoes. Team doubts, family concerns, injuries, and strong opponents come one after another; guided by teammate Su Nian's companionship and coach Fang Zhiyuan's guidance, Xia He withstands the pressure and breaks through herself time and time again. Moving from the school team to the provincial competition, she continuously refreshes her best 800-meter record. The running track witnesses her sweat and transformation, and she also passes on her passion to younger youths, harvesting friendship, understanding, and her own radiance in running.