Goo Jae-hee lives in the United States and one day sees a track and field competition on TV, and becomes attracted to one of the high jump competitors, Kang Tae-joon. She begins to idolize the young athlete and eventually transfers to Korea to attend the same school that Tae-joon attends after he suffers an accident that could potentially end his career. There is a catch, however: Tae-joon attends an all-boys high school and Jae-hee must disguise herself as a boy to enter.

Middle child Kim Bom had a difficult childhood because her mother showered all her affection on Bom's older brother Eun-chul and her younger sister Eun-sol. Now that Bom is an adult, she runs a laundromat named Sweden Laundry. But she also has the supernatural ability to understand her customers' worries through their laundry. With the help of her employee Yong Soo-chul, Bom uses this to solve the problems of those around her.

A man who can’t distinguish faces meets a woman who is unforgettable. Lee Yoo Chan is the founder and CEO of the IT company Next One, which has become the most desirable place to work. He suffers from a condition where he can’t recognize faces, and this makes him very guarded and mistrustful of most people. Kim Bo Ra is the pride of her hometown on Jeju Island who came to Seoul to attend college. With her imminent graduation, her dream is to work for Next One. When Bo Ra meets Yoo Chan, will both their lives change in unexpected ways?