you being forced by your mother to get married with a guy named siwon,the son of your father's old bestfriend! but you don't want to! in the same time, a guy named kyuhyun is also being forced by his parents to get married with his cousin unless kyuhyun can find a girl to be his wife in a month!

 suddenly, one day, you and kyuhyun accidentally met and decided to play a "fake couple". as a matter of fact, you have never had a boyfriend. but, the presence of kyuhyun, started to change your life.