Lan Qi, who has lived in a family that hunts vampires since he was a child, brought disaster to the emperor when he was young because his father Lan Qi accidentally killed the husband of Mai Ji, a vampire with pure royal blood. On a cold night, Mai Ji's bloodline broke out, and she decided to avenge her husband on a whim. She slowly came to the door of Lan Qi's house, opened her sharp teeth, and walked into the home. Lan Qi found a strong vampire smell in the house, so she got up and took her own weapon. When she came out, she found Mai Ji. Mai Ji would kill anyone she saw. At this time, a series of screams came from the house. The smart Lan Xi heard that something was wrong, so he quietly looked outside the door. Unfortunately, as soon as Xiao Lan Xi leaned out of the door, he was sucked in by Mai Ji and bit her deeply. Although he took a bite, Lan Xi did not die. The Mai Ji who thought Lan Xi was dead left, and Mai Ji knew that the person she killed would become the lowest vampire. Lan Xi endured the pain and ran quickly. When he finally ran to the snow-covered ground, he fell down for a second, an hour, three hours... Finally, a vampire hunter rescued him. From this moment on, a thrilling story begins.