Park Jiwoo is fresh graduate that is looking a job. She wants to be a successful photographer someday. Her boyfriend, Oh Sehun, was the sweetest boy that she ever met and loved him dearly. Sehun wants to be a famous model in the future. To achieve his dream, he wants study modeling in America but in order to do that he needs to leave jiwoo alone. But what happens when jiwoo met sehun's twin luhan and thought that he was back from america? And what if luhan fell inlove with her too? What if sehun comesback and found out about his twin that he never knew in his whole life?