Hanna and Hongbin enjoy their live like the most couple do. They spend time together, go out to the cinema, do face time at night and many other things. As a boyfriend, Hongbin is really protective. He can't stand Hanna stay close to a guy except Sanghyuk. Even though Sanghyuk likes Hanna but he doesn't mind if Sanghyuk stays close to Hanna because he knows who is Sanghyuk and he knows that Sanghyuk will never harm Hanna. Everything run smoothly until the worst era of their relationship come and blow their relationship. Will they stand still and stay together after they passed the first obstacle?
Or maybe this is the end of their relationship?