Cn Blue is a new band. They are trying to gain their popularity just by performing on the streets. 

Kang Minhyuk, drummer

Lee Jungshin, bassist

Lee Jonghyun, lead guitar

Jung Yonghwa, lead vocal/leader

There's a saying that love will come by it owns. But what will happen to them when love was knocking on their door?

Seo Joohyun, known as Seohyun.She does not has a family. Her parents met with an accident when she was young. All this while, it was her aunty that took care of her. However when she turned 16, her aunty passed away, leaving the house to her. Since she has nobody left to take care of her, she decided to work to support herself. She has been been working as a waiter bartender pianist cleaner at a bar called "Te Amo". Since the house is quite big, she decided to rent out some room so that she can earn extra money too.She never fall for a guy before. She doesn't know the difference between like and love. What will happen when someone came and show her the difference between this two? What will happen to her?

Im Yoon-Ah, known as Yoona. Seohyun house-mate also. She decided to rent a room from Seohyun since the house is much more nearer to her school. She hate guys eversince what her father did to her mother. Her father will beat her mother up whenever he's drunk. She never like the thought of being close with guys. However what will happen when someone rescue her when a group of guy are following her? What will happen when that someone whom rescue her, save her life? Will she be grateful? 

Krystal Jung, known as Krystal. Seohyun house-mate also. Krystal was born in California, where a family in Korea settled down in the 1980s. However, when she lost her brother 2 years ago, she decided to return back to korea and live a independent life. She don't want to be dependent with her parents. She want to know what poor life is. Although her parents has umpteenly tried to persuade her by returning home, she insisted that she don't want. Since she lost her brother, she scared of knowing guys. She scared that the guy will someday leave her just like her brother. But what will happen when she always meet this guy at the busstop? What will happen when the guy insist of sending her back home when it's late at night? Will she get rid of her fear of knowing a guy?