Han Seo Yeon is a bright, healthy, and outgoing high school student who dreams of becoming a model. Jinwook is one of the top models in Korea. Han Seo Yeon and Jinwook end up meeting each other at a casting, where Jinwook is one of the judges. The casting does not go Seo Yeon's way, and she leaves disappointed: then an incident occurs where the top model, and the aspiring model switch bodies