Time travel to the execution ground: Modern man Zhang You accidentally traveled to the execution ground of the Qin Dynasty and possessed the son of a merchant who was sentenced to be executed. With the help of modern medical knowledge, he rescued Li Yuyu of Tingwei Mansion, and used "papermaking technology" as a bait to temporarily save the lives of his family.
- Papermaking in desperate situation: Imprisoned Zhang You led his family to try papermaking and experienced countless failures. At the critical moment, Bai Zhi, a drug slave from the Imperial Medical Office who was on the run, was rescued. The "floating method" she brought made the quality of paper improve by leaps and bounds.
- Conspiracy whirlpool: When presenting paper, I accidentally encountered Hu Hai and Zhao Gao conspiring to usurp the throne. In order to protect his family, Zhang You was forced to flee with Bai Zhi, and on the way he rescued Qingdai, an orphaned doctor who was being hunted. She had the secret recipe for detoxification.
- Mohist assistance: In the land of Bashu, I met Xuanji, a female descendant of the Mohist family who was pretending to be mute. She improved papermaking techniques and designed repeating crossbows for Zhang You. Zhang You's papermaking workshop gradually became the intelligence center of the anti-Qin forces.
- Chu State Alliance: Rescue Chu State Princess Mi Yao who was chased by Hu Hai. The brand on her ankle is a token of mobilization of the Xiang family's old troops. Zhang You's power began to grow, and several wives and concubines with their own strengths became his most powerful assistance.
- World Chess Game: The Chen Sheng and Wu Guang uprising broke out. Zhang You used the papermaking workshop to pass on the intelligence network and secretly laid out the plan. The six wives and concubines each showed their talents: Bai Zhi improved weapons and poisons, Qingdai formed a medical team, and Xuanji made siege equipment.
- The decisive battle of Xianyang: When Hu Hai's tyranny caused chaos in the world, Zhang You led his wives, concubines and allied forces to invade Xianyang. On the eve of his ascension to the throne, the imperial physician who had been saved by him ordered him to present the imperial seal. ? ? ?
