Five high schoolers join the swim team by accident and find themselves in a situation where they have to complete a synchronized swimming performance.
| Actor | Role |
|---|---|
 Xin Yunlai张伟 | 张伟 |
 Feng Xiangkun陈铭涵 | 陈铭涵 |
 Li Xiaoqian高飞 | 高飞 |
 Wu Junting王子 | 王子 |
 Wang Chuan曲小东 | 曲小东 |
 Xin Baiqing老袁 | 老袁 |
 Dai Lele张伟妈妈 | 张伟妈妈 |
 Yi Yunhe奎教练 | 奎教练 |
 Miao JijunChen Mingyu | Chen Mingyu |
 Wu YixunCaptain of the swimming team | Captain of the swimming team |
 Lin Peng[Zhang Wei's Father] | [Zhang Wei's Father] |
 Wang Qing[Xiao Dong's Mother] | [Xiao Dong's Mother] |