Jung Sun leaves for Paris with his mom. Hyun Soo begins her job working under Jung Woo. She finds out that Jung Sun left without saying goodbye to her. While she continues on with her life, she is reminded of Jung Sun from time to time. Meanwhile, Jung Woo begins to develop feelings towards Hyun Soo and decides he's going to tell her.
가끔은 지나고 나서야 꺠닫는 실수들이 있다.
사랑을 놓칠 때도 그렇다.
기다려 달라는 정선, 사랑이 시시하다는 현수. 헤어지고 본격적으로 시작되는 그들의 사랑 이야기..
