Private detective Yoon San gets turned into a vampire one day while he was out on a duty. As he meets various clients and cracks cases for them, he also uncovers the mystery surrounding him as well as the secrets from his past.
Lee Joon , Oh Jung-se , Lee Se-young , Kim Yoon-hye , Lee Chung-ah , Jo Bok-rae , Jei , Ahn Se-ha , Kim Ki-moo , Choi Gwi-hwa
