Synopsis: In order to benefit the common people, Shen Fu, a wealthy man in the Ming Dynasty, paid for the construction of the city wall. Unexpectedly, during the construction process, the river demon rampaged and destroyed the city wall under construction, and the people were panicked for a while. In order to appease the hearts of the people, the emperor ordered Shen Fu to present a cornucopia of heirlooms to suppress the evil, and within three days, ordered Shen Fu and Li Hanyang, the left servant of the Ministry of Industry, to repair the city wall. The river demon was still committing murders everywhere, and Shen Fu and his companions investigated together to discover that there was another hidden reason behind the incident. What kind of shocking secret is hidden behind this? While fighting against monsters, how could Shen Fu solve the case within the three-day limit?
