A female college student who was ordered to be killed by Douma, the angel of death, was rescued by the legendary vampire Count Dracula and was accidentally chosen as Count Dracula's successor. The day of "first embrace" is approaching day by day, and Ivy, who does not accept her fate, keeps trying to escape from the castle. Outside the castle is a dragnet set by Duma; inside the castle is a shocking secret hidden underground. While Ivy is looking for opportunities to escape from the castle, Ivy's life experience gradually emerges... Who is she? What kind of secret does she have? And what will be the ending for her and Dracula?