Lin Wan, the owner of a kebab stall at the night market, disguised herself as a man under the pseudonym "Linchuan" to apply for a job as a sparring partner for the provincial swimming team in order to raise money for her brother's leukemia surgery. She met the cold and talented captain Shen Zhixia. Lin Wan used direct enthusiasm to break Shen Zhixia's cold defense - helping him hide stomach medicine, delivering hot skewers after training, and even secretly adjusting the straps of his swimming goggles before the game (to ease his psychological shadow). Shen Zhixia gradually fell in love, but became entangled after discovering her secret of dressing up as a man (for fear of affecting the team rules, and even more afraid that her relationship would be "disgraceful"). At this time, Green Tea's ex-girlfriend Su Muqing (team doctor) returned to China and deliberately designed Shen Zhixia to see the fake surveillance video of "Lin Wan pushed her down the stairs". Shen Zhixia misunderstood the breakup, and Lin Wan sadly quit the team...
