In Tianjin Antique City, Bangzi, who likes to make bone specimens and bone products, became friends with Boss Bai, who opened an antique shop specializing in bone artifacts. They encountered some difficult things to solve when collecting, selling and making various bone products. As they ran around, confusing events followed one after another. In the process of searching for the truth, they gradually grew up. From a young man who focused on small profits and did not do his job, he became mature and stable.