In a world where humans have long been hunted by vampires, a new threat emerges in the form of vampire-hungry zombies. Amidst this chaos, Ken, a vampire, finds himself struggling as his clan is overrun by zombies, making it difficult for them to find suitable prey. Against all odds, Ken crosses paths with a human girl in a town teeming with zombies, leading to a forbidden romance between them. However, their love faces opposition when Ken's clan discovers their relationship, sparking turmoil and conflict in a world already on the brink of destruction.