The show mainly tells the story of four teenagers with different backgrounds and unique personalities who work hard in the swimming pool and persistently pursue their dreams.
Li Wenhan
Zhou Yu
Xu Jiao
Liang Bing Bing
Shi Zhan
Hu Jing Tian
Liu You You
Gu Li
Zhou Xin Yu
Gu Li (young)
Kuai Jiale
Gao Feng
Mao Fei Lian
Wu Hao
Liu Dan
Yu Min Yi (Zhou Yu's mother)
