By day, Dan-bi works as a member of the youth protection team, monitoring countless adult content. By night, she writes for a fairy tale contest. One day, she crashes into the classic car owned by the CEO of an adult web novel publishing house and is now faced with the situation of paying him back by writing adult fiction every night! However, this predicament is short-lived. Dan-bi skillfully writes the sexual fantasies of three friends with her unique touch. Before she knows it, she becomes an overnight sensation. Additionally, her sensual stories awaken the senses of her colleague, Jung-seok, who has been experiencing sexual dysfunction for the past several years.