The Book of Luban is a strange book in ancient China. It is said that it was written by the sage Lu Ban. Choose one, and choose from the time of practice... Therefore, "Book of Luban" won another name - "Lack of One Gate". There is a custom among the people, when you put "Book of Luban" on the beam to ward off evil spirits. Lin Jin Shui, a little carpenter, was injured by someone's plan when he was erecting a beam, which ruined the harvest, so he was considered an unknown person by the villagers. I wrote a "Book of Luban" that no one else can see. Is it a blessing or a curse, and if it is a disaster, I can't avoid it. Let's see how the little carpenter turns around and shines brilliantly in the city...