Deep in the seemingly bustling modern city, there are ancient vampires hiding day and night. Investigative reporter Lin Wan accidentally gets involved in a secret war between humans and vampires due to a bizarre case. She was supposed to be a cold prey, but because of the special blood flowing in her body, she became the focus of protection between the blood princes and the human guardians.
The elegant and dangerous first-generation prince regards her as the salvation he has been waiting for for thousands of years, while the cold and stern human executive regards her as the key to breaking the deadlock. Two strong men standing on opposite sides started a tit-for-tat fight for and protect her. When the conspiracy in the night gradually surfaced - a blood sacrifice for the entire human city
