Jugyeong Lim has been treated unfairly by her family and bullied by her enemies due to the perception that she's ugly. . . As she slowly masters the art of makeovers by binge-watching online video tutorials, her dramatic transformation leads to overwhelming popularity and fame. Armed with her newfound beauty, Jugyeong is on the verge of a love triangle with two of the most handsome boys at school: Suho, the stoic mysterious guy who knows her secret and Seojun, the "bad boy."Now Jugyeong must balance the pitfalls of her popularity with the newfound pressures of young adulthood.