Seo Yeaji was offered to play the role of the female lead of a masterpiece drama by Writer Jo Yong, a great opportunity for her comeback after her 4 year hiatus. Just when she thinks that everything is falling into the right place, Kim Soo Hyun, decided to accept the male lead without hesitations. He is the last man that she would choose to work with. What happened between the two of them, that she wish that their paths would never cross again?