This is a story about cognitive awakening and technological salvation. The protagonist Yan Jiecheng uses the spark of knowledge that transcends the times. In a special era, using technology as the fulcrum, he not only protects the tranquility of his small family, but also quietly promotes the progress of the country's industry, achieving a leap from "calculating firewood, rice, oil and salt in the courtyard" to "calculating the future for the future of the country."
