Sulli es huérfana, así que para ella la palabra "Familia" es tan desconocida como importante, es una chica extraña y a la que le cuesta hacer amigos, por su extraña personalidad sufre acoso por parte de sus compañeros de clase, a pesar de ello su vida parece que empieza a brillar porque por fin parece que cumplirá su sueño de convertirse en cantante, ahora para ella lo más importante es el futuro así que nunca piensa en el pasado. Por el contrario, Minho sufre de amnesia y está obsesionado

Sulli es una chica normal hasta que un día todo eso cambia, su padre quiere cumplir una cruel venganza a cualquier precio, aunque ese precio sea la vida de un niño. Sulli no puede permitir eso así que se escapa de casa con el pequeño y trata de encontrar una solución y un lugar en donde esconderse, entonces por la televisión ve a su mejor

Sulli is an orphan, so for her the word "Family" is as unknown as important, She is a strange girl who has troubles making friends, because of her strange personality She suffers bulling, nevertheless her life seems to begin to shine because she finally seems to fulfill her dream of becoming a singer, now for her the most important thing is the future and never to think about the past. By contrast, Minho has amnesia and is obsessed with the past, he always takes his camera with him and ever

Sulli was just a normal girl until she discovered a secret that would change her life forever. Her father wants to fulfill a revenge at any price, even if that price is a child's life. Sulli can't allow it so she run away with the kid, now she is trying to find a solution and a place where tshe can hide him for a while. Then she sees her old best childhood friend on TV, Minho, who is in an exclusive college where he is the best in sports. Sulli decides to dress up like a boy