Yoo Ji Ae, a girl growing up in the orphanage, not knowing how it feels to have a real family. She grows up living with other childs, sometimes she gets into argument, but that's what taught her how to be a tough person when she faces the real world, it's even worser than that. She dream to become a doctor, but her results didn't let her to achieve her dream. She ends up working part time job at 24 hour mart while doing another part time job. She has to switch job often due to the nature of the job. She has done almost every part time job, her life isn't tough at all, yes it isn't for other person but for her.