A legend about the King of Vampires.
From an abandoned prince, he grew up to become the king of vampires. And the entanglement with the vampire hunter heroine.
Due to their encounter when they were young, the down-and-out prince secretly fell in love with the heroine. In the years to come, the prince shouldered the destined mission of guarding his beloved girl in the distant sea of earth. Eventually became the King of Vampires
Will our prince and heroine finally break through the taboo boundaries and be together after going through all kinds of hardships?