Modern archaeologist Lin Mo accidentally traveled to the Northern Song Dynasty and became Bao Zheng's right-hand man. Relying on his understanding of "Bao Gong's Case" and modern criminal investigation knowledge, he teamed up with Bao Zheng, Zhan Zhao and others to solve a series of bizarre cases. From the strange murders in Bianjing City, to the shocking conspiracies in the world, from the power struggles in the court, to the alien invasions outside the borders, Lin Mo gradually discovered that his time travel was not accidental, but related to a shocking secret that lasted for thousands of years...
