Seou's high school crush, Ha Jaeyoung, has tragically passed away. In a poignant dream, Seou encounters the deceased Jaeyoung and relives their past together, desperately attempting to alter events to prevent his death. However, another Ha Jaeyoung's demise becomes intricately intertwined, further complicating the present. As Seou navigates this surreal temporal landscape, they race against time to rewrite history and save both Ha Jaeyoungs before the dream's profound journey concludes.