A love story between Choi Tzuyu and Jeon Jungkook. Two childhood friends who get separated at a young age get reunited in their teenage years. But everything is different 9 years later. Choi Tzuyu went from the most popular girl to the nerd as an act by her mother and Jeon Jungkook went from nerd to popular guy. Tzuyu obviously recognises Jungkook but Jungkook doesn't recognise Tzuyu under the disguise..