Jugyeong Lim has been treated unfairly by her family and bullied by her enemies due to being perceived as ugly. She learns how to use makeup by binge-watching online video tutorials. As she slowly masters the art of makeovers, her dramatic transformation leads to her overwhelming popularity and fame. Armed with her newfound beauty, Jugyeong is in a love triangle with two of the most handsome boys at school: Suho, the stoic mystery man who knows her secret and Seojun, the "bad boy." Jugyeong must balance the pitfalls of her popularity with the newfound pressures of young adulthood.

In this third book of the series, we focus on Seojun, Suho and Seyeon . . . Three guys whose painful pasts are about to be revealed. The three S’s! Best Friends Forever! But that last F … forever may be shorter than any of them ever dreamed.