In the 37th year of Wanli reign of the Ming Dynasty, murders occurred one after another in gunu County, Jiangnan. The dead had different identities and had nothing to do with each other. The bodies were arranged in strange postures. A sentence was left at each scene of the crime. As the apprentice of the first victim, the little Constable Qu Sangen cooperated with his little partner to carry out an investigation. With the deepening of the investigation, people from all walks of life, farmers, businessmen and so on came to the scene. In the fog, an old case ten years ago surfaced. Who is the murderer and what is his purpose?...

The story took place on a magical night in Changsha. In a bookstore, Jing Weiwei met with He Xixi, who would leave the hometown tomorrow morning. The two people made an appointment to travel at night. He Xixi chatted about her step-brother, a stand-up comedian named He An. On tonight's show, He An's father appeared in the audience, and the two parted on bad terms. On the other side, Chen Qingzhi, Liang Baoqi and Xie were guarding the Ferris wheel. While enjoying the night view, they sighed that it was not easy to work. The night was deeper, and it was also the last time the Internet celebrity stall owner Li cooked, she decided to let her apprentice Xu take over to continue operating the stall. The night was about to pass, and a group of people were sitting together in the food stalls to eat. Encounter, love, stay, leave, reconciliation, reunion... All happened in this city, and everyone found a reason to love here....