A teenage boy with autism trains for a marathon under a reluctant coach, leading to a mix of heartfelt and humorous moments as they challenge each other and grow along the way.
| Actor | Role |
|---|---|
 Ma LiWan Yun | Wan Yun |
 Fan ChengchengChu Xingchen | Chu Xingchen |
 Qiao ShanHe Qiusheng | He Qiusheng |
 Zhou DayongChu Limin | Chu Limin |
 Kiki LiuChu Xiaoxiao | Chu Xiaoxiao |