The story is about a Boy loses his memory in an accident occur that make him forget about his memories of his lover, but he becomes a famous singer in the band and then falls in love with a beautiful girl, but this love is surrounded by a lot of doubts because of his ex-girlfriend that she want to take her revenge on him. What do you think will happen? You will recovers his memory and remember her or not recovered .......??

Choi minho: handsome boy who loses his momery in an accident.

Yoona: a beautiful girl, Minho holds feelings for her after he lost his memory.she is a famous fashion designer.

Jonghyun: Singer in the band of Minho. he is a half-brother of Seohyun and holds a grudge for Minho and want to take his revenge on him,but he does not appear this hatred.

Seohyun: She loves Minho but this relationship won't continue, because he lost his memory and he didn't remember her.she want to take her revenge on him.

Key: Minho's childhood friend, he has a crush on Yoona from the university but he didn't tell her.

Main couples: Minyoon,Minseo.

Genre: Mystery,Romance,comedy.