Attempting to escape her monotonous routine and forget her past, she hastily accepted the initial eligible bachelor. Nonetheless, after climbing a mysterious staircase in her old high school one evening, she's transported back in time, returning to her teenage physique from 14 years ago. Is this mere fabrication or an authentic experience? If it's indeed a trip to her past, she's resolute in one thing, evading her childhood lover at any cost, as he was the person who ruined her life.