A sweet, savage, action romance between a gangster and a vampire girl…! Jung Chung-Oh, he is a tyrant that wipes out the entire enemy all by himself. One day, he gets assigned to protect a girl. Baek I-Do, she is the girl that is protected by the chairman of the TaeReam group. She was – “I’m more into being a predator, than being a prey.” – A vampire. “I’m pleased to meet you. My name is Jung Chung-Oh.” Will Ido happen to be a saviour, or hell to Jung Chung-Oh, who is trying to stay alive for a bloodthirsty revenge.