17-year-old Oh Yeseul knows exactly what she wants to be - a sought-after model. And nothing will stop her from becoming popular. She has beautiful looks, a perfect figure, a stunning boyfriend, and is often mistaken for a rising star. It would seem that what could go wrong? One day a girl goes on vacation with her mother and sister. During the flight, the plane begins to shake, and... the heroine comes to her senses on a bench near the house! It turns out that Oh Ye Seul has traveled from 2010 to 2020! How will she know about this? At home she meets... her future self! 27-year-old Oh Yeseul looks unkempt and unkempt, she is lonely, and she has one dream - to successfully pass exams and become a civil servant. Then the 17-year-old girl takes on the 27-year-old version of herself: after all, her life cannot become a rom-com with sad ending?