During the Xining period of the Northern Song Dynasty, Si Tianjian was not only in charge of the celestial calendar, but also secretly investigated bizarre cases involving "astronomical anomalies." The young chief clerk Shen Kuo was accidentally involved in the long-shuttered "Secret Files of the Si Tian Jian" due to a case of massacre caused by "Tiangu Eclipsing the Moon". He discovered that the successive strange events in the capital—zombie rebellion, the appearance of a river god, and ghosts breaking through walls—all pointed to a mysterious organization codenamed "Luban." Behind these seemingly ghostly phenomena are sophisticated mechanisms and advanced technology. When the wave of reform swept through the court, and various forces competed for mineral deposits and gunpowder formulas, Shen Kuo must use the spirit of studying things to gain knowledge, and uncover the truth between superstition and conspiracy. However, as he approached the core step by step, he discovered the biggest mystery, which pointed directly at the future national destiny of the Song Dynasty...
