Ling Mo, a doctoral student in the Department of Modern History, accidentally traveled to the Southern Qi era of the Northern and Southern Dynasties. When he woke up in a mass grave, he actually held in his hand a famous tattoo symbolizing the identity of the Langya Wang family, the highest sect in the Southern Dynasties. In order to survive in troubled times, he had to impersonate Wang Heng, a young man from an aristocratic family, but he was soon involved in a strange serial murder case.
The deceased were all killed with daggers engraved with the family crest of the noble family, and their faces were covered with strange ghost masks. The case involved corruption in water transportation, secret talismans of the Celestial Master, and even alarmed the royal family. Ling Mo, who was forced to assist in the investigation, relied on modern historical knowledge to repeatedly solve strange cases, but found that there was a shocking secret behind his assumed identity - the real Wang Heng had been killed on the way to Yecheng.
On one side, there are the open and secret arrows of the noble clan, and on the other hand, the struggle of the common people from the poor clan is struggling for survival. Ling Mo is dealing with the forces of all parties. He improved agriculture to win over the people with the help of "Essentials for Elevating the People", trained private soldiers with "The Art of War" by Sun Tzu, and used allusions from "Shishuo Xinyu" to overwhelm the Confucian scholars in symposiums. But danger always follows: the warning from the mysterious man in a bamboo hat, the temptation from the head of the Wang family, the suspicion of the royal nobles...
When the water transport case involved secrets from the previous dynasty, and the truth behind the mask of the ghost gradually became clear, Ling Mo discovered that his time travel was not accidental. The power that sent him to this era seems to be closely related to the national destiny of the Northern and Southern Dynasties.
Let's take a look at how modern students act as powerful ministers as humble scholars. In this era of great separation between scholars and commoners, can he use knowledge as a blade to carve a path for counterattack? Can we find a way to return to modernity while changing history?