Datang: from the Night Watch Shop to the Jingyao Division

In the fourth year of Changqing's reign in the Tang Dynasty, Chengdu Prefecture, Jiannan Road. While investigating a cross-border smuggling case, modern criminal policeman Mu Xing is hit by a mysterious copper mace and travels back to the troubled times of the late Tang Dynasty. When he woke up, he found that he had become a night watchman living in Shu after becoming a traitor to the Tang Dynasty. He only had the ancestral "Weisheng Zhenyou Mace" in his hand. At this moment, a massacre occurred in the Zhao family. Thirteen people died. Man-made knife wounds and strange demonic claw marks appeared at the scene. At the scene of the Zhao family's massacre, knife wounds and claw marks coexisted. Is it a demon causing trouble, or is it someone else? Behind every "demon mark", there is a human hand hidden. What is more sinister than demons is the human heart.