"I Engage in Science and Technology in Daqin" tells the story of Qin Yu, a modern scientist who accidentally traveled to Daqin. It begins with his struggle to survive after time travel. The main conflicts include the opposition from the nobility and conservative forces during the reform, as well as various new problems brought about by the development of science and technology.
The climax is when a sudden natural disaster causes serious damage to agriculture. Qin Yu faces huge challenges and is also questioned in the court. But with the support of Qin Shihuang, he united everyone to deal with the crisis.
The ending is that with the joint efforts of everyone, Daqin overcomes many difficulties, and Qin Yu continues to use technology to promote the development of Daqin and usher in a bright future.