Jessica Jung is a twenty-three year old woman who works as a waitress and a singer at a famous bar in Seoul, South Korea. She is an innocent girl, whose love life is purely crushed because her recent ex-boyfriend, Lee Donghae, dumped her rudely for another girl. After Donghae had broken her heart, Jessica started to become bitter to relationships, especially to guys. She thought that love was just a joke in her life. What if someone will come and knock at the door of her heart? Will she open her heart for someone once again? Or will she continue being bitter?

Kwon Yuri is a twenty- three year old photographer and a model in a famous magazine. She's a gentle and a sweet caring girl who lives a normal and a happy life. But unfortunately, her relationship and love life isn't really that good. Boys keep on breaking her heart. Just because she's pretty and she has a good body, boys are asking her out. She never had a boyfriend who treated her seriously. That made her hate boys completely, which made her fall in love with a simple waitress girl at a bar she usually hangs to. But, will that girl love her back? Or will she reject her?

Seohyun is Jessica's co-worker in the bar and also her friend.

Donghae is Jessica's jerk ex-boyfriend.

Taeyeon is a photographer who also works at a magazine company with Yuri. And she's Yuri's best friend.

Tiffany is a model of the magazine company which Yuri and Taeyeon is working for.

Sunny is Jessica's bestfriend since they were 12. She is a bartender and an entertainer in the bar where Jessica and Seohyun works at.