A.N. JELL is a very successful boy band formed by three young men. When the mangers choose Mi-nam as the new member of the band and unlikely situation happens. Mi-nam is forced to leave to the United States to undergo surgery. His temporary replacement: Mi-nyo, Mi-nam's twin sister.
BothMi-nyoandMi-namgrew up inan orphanagewithout knowing their mother.So whenMi-nyolearns that hisbrotheronly wants tobe famousin order to findtheir mother,she acceptsthe challengeof posingas his brother.
Tae-kyung is the leaderof the bandA.N.JELL.His appearance of a hostileboyisdark andof few words. However,behindthat facade isa child who has been emotionally abandonedby his mother. This has caused him to have many insecurities and prejudice against others, especially women.
With the entry ofMi-nyoto the group,his defensive andselfishbehaviorincreases, but the nobility ofMi-nyoeventuallysoftening his heart,allowing itto brighten up.
Sin-wooisa sweet and noble boy. His isthe first to discoverMi-nyosecretand for that reason he will try protect herandget her out ofthe intricacies caused byher clumsinessand extremeshyness. His feelings forMi-nyowill be platonic at first but later on will become more.
Jeremy is themost spontaneous of the bandand is always readyto please his fans.Trying to makeliving withMi-namless uncomfortable, Jeremy sees inhis new"partner"special qualities.However, when he starts experiencing strange feelings for his bandmate, Jeremy starts questioning himself.
Over time, Mi-nyo will awaken deep feelings in each of the three boys especially Tae-kyung, who will discover her secret.