The central character is Hong Yeo-joo, a young writer who has gained a following online. The main events take place in the "Nail Shop Paris," a trendy salon where only attractive young people work. What connects the online writer and "Nail Shop Paris" when she goes there pretending to be another charming and charismatic person, dreaming of becoming a nail technician at a popular salon? And what goals does Hong Yeo-joo have in mind?