Vampires and humans had coexisted since the last century. They lived together hand in hand, and the world was at peace. The only anomaly disturbing the hard earned peace were the rogue vampires. Humans and vampires joined forces to hunt down these rogue vampires, born from hatred and depression.

Park Chanyeol, a vampire working as a rogue hunter, was married to his former colleague, Byun Baekhyun, and together they built a small, happy family. But could their happiness last when there's a sudden increase on the number of the rogue vampires? Moreover if there's someone from their past, hiding in the shadows?