Seonghwa and Hongjoong are known as the most dangerous vampires vampires for centuries. The two ruled as the kings of the vampires,but they felt like something was missing throughout their immortal lives.

They roam and rule the night of Korea. One night they saw a human girl walking through the city at night, the moonlight shining down on the women, her hair flowing behind her, unique eyes that they've never seen. Catching the eye of them they got interested