Inside the old houses waiting to be demolished and renovated in the old city, there are hidden obsessions and past left by generations. The protagonist, Lin Zhou, is an ordinary person in charge of decoration construction. He took over the private job of renovating an old house in the old city, which was widely rumored. He thought it was just a profitable business, but step by step he ran into the construction taboos spread in the old city. Behind every construction process, such as laying bricks, cutting walls, improving water and electricity, and dismantling old furniture, there are red lines that cannot be touched. When strange things happened one after another at the construction site, including strange noises in the middle of the night, shifting building materials, and lingering dark shadows, Lin Zhou realized that some things were not feudal superstition, but obsessions accumulated in the old house. While completing the renovation project, he must abide by the ancient construction rules. How should he keep himself between reality and weirdness and uncover the secrets of this old house that have been buried for many years.
