N-byeol is a fourth-year university student who is trying to spend her last year quietly. However, her life begins to take a turn when her ex-boyfriend returns. In-byeol wants to get over her ex-boyfriend by starting to see a new guy, but everyone she's introduced to has a problem. When she finally decides to give up and concentrate on her studies, she encounters a handsome love interest at an unexpected place. Will In-byeol go back to her ex-boyfriend, Choi Jin, or will she choose her new love interest, Seong Jae?
