your parents died in a car accident and their company gone bankrupt. Your cousin , jiyong ask you to live with him with his friend. You fall in love with seunghyun , his friend. He did so but he's to blind to see where his heart belong to.

You are a friend of mblaq since high school. And Lee Joon is your exboyfriend. Both of you break up before he debute as mblaq ,because lee joon is going to be a very busy idol. So, both of you deside to break up and still continue your relationship as a friend. But you both still have a feelings for each other. Will there a faith for both of you?