BTS are a world class Kpop group, selling out stadiums around the world and winning countless awards. They are at the height of their career and nothing can stop them. At the same time, vampires are discovered to be real after bodies are found. This news takes the world by storm. The Korean government sends out devices for people to put in their houses to poison any nearby vampires instantly. So what happens when BTS' beloved maknae starts violently coughing when he arrives home from visiting his family in Busan?