Yn, a normal living girl who works at a bar with her roomate whose obsessed with her, lia. Lia started to like yn since their first meet but yn had been dating the bar's owner, Park Jimin. Yn's close friend, Zoe, fells for lia's trap to make yn all lia's. Jimin tries several ways to kill Lia but finds out that she had people behind her. Along the way, yn continues to study to become a cardiologist and encourages jimin, her bf, to accomplish his dream as well. In short, yn somehow leaves, lia, her obsessed lover behind along with her toxic parents and starts a new life, with Jimin.