As the school break ends, Class F swimming champ Ah-jin recruits Yue-qin for a relay race -- not realizing they'll be competing against Zhi-shu.
學校假期接近尾聲，F 班的游泳冠軍阿金力邀月琴參加接力賽，卻不知他們將與植樹互爭高下。
