The story revolve around Kibum and Jonghyun, how they meet, how they bound and eventually how their relationship turns out as soon as they have left their own cozy world of the hospital's four walls.  

Park Ja Kyung’s childhood have been harsh on her. She has been raised in a bad environment and it has affected her a lot. When she isn’t studying in college, she is a work hardening boy. – Boy?! Yes. Her look and her clothes is very similar to a boy’s, and since she is willing to take every job she can get, she is even prepared to let her gender depend on it... Or, that is atleast what she tells people. Now she is back in Seoul will she be able to live a normal life again? 

19 year old Han Kyung Mi had just started attending Korea National University of Arts, when her dad announces that he has met an old friend. Because of her father’s stupidity are they in a huge dept but his, apparently wealthy, friend promise to help them out if just his they move into his house and his daughter is going to marry his son; Lee Chang Sun, which is a well known boy from the dance department at her school, a model in his spare time and very… Selfish!