Have you ever heard of Yin Yang Mansion? The intersection of yin and yang, the place where the living dead and the living and dead are. There are also three aristocratic ghost-hunting families hidden in the modern city. The Yin-Yang Mansion is an existence that even the three major aristocratic families have to give way to. The people in the Yin-Yang Mansion have mysterious origins, and every incident leads people to explore everything in the world and people's hearts.