Accidental Time Travel: Chen Yuan, a top student in the Department of Modern History, accidentally time traveled to the ninth year of Wude in the Tang Dynasty and became Chen Yuan, the counselor of Prince Li Jiancheng of the East Palace, during the critical period of three months before the Xuanwu Gate Incident.
AI-assisted system: Chen Yuan found that he had an AI system "Lao Tie" in his head who spoke with a Northeastern accent. He could provide historical data and strategic analysis, but he needed to take the initiative to ask questions before he could answer.
Danger is everywhere: When he first entered the East Palace, he faced the temptation of Wang Gui, the prince's confidant. With the help of historical knowledge and AI system, Chen Yuan saw through the language trap set by the other party.
Appreciation from the Crown Prince: At the secret meeting held by the Crown Prince, Chen Yuan accurately predicted that Li Shimin was about to take action and proposed a strategy to divide the forces of the Prince of Qin, winning the Crown Prince's initial trust.
Undercurrent: Chen Yuan realizes that he is at the center of a power struggle. He must avoid history repeating itself and save his life, while also using modern knowledge and AI systems to survive and develop in the officialdom of the Tang Dynasty.
