Centuries ago, vampires used to coexist with humans, but were banished due to their bloodthirsty nature.

Hongjoong is the new crowned king of his town, and he'd do anything to keep it protected. But what he didn't know is that behind a cellar door, sat Seonghwa; the last vampire his parents kept hostage to protect their people.

Being the new prince, Hongjoong decided to explore his new castle.. He went far below his castle into the cellar, finding a door his parents kept him away from..