After being bullied and discriminated because of her ugly looks, a high school girl transforms herself into a gorgeous "goddess" and quickly rises to fame after mastering the art of makeup via online tutorial videos.
A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.
In a temporary position at a private high school, a compassionate teacher fights to support her students' dreams while navigating school politics.
