Lin Chenyuan, a modern chemical engineer, accidentally traveled to the eve of the Yellow Turban in the late Eastern Han Dynasty and became a bankrupt scholar whose family was in decline. Facing the coming troubled times, he is powerless, and his only reliance is the modern scientific knowledge in his mind. In order to survive, he decided to return to his old business and make some "little inventions" in this troubled world. Purifying refined salt, firing cement, building magic weapons, innovating agricultural tools... When technologies that surpassed the times were born from his hands, the direction of the entire world seemed to begin to deviate from its original trajectory. This is a story about technology staying in troubled times, using infrastructure and technology to change the world, and fighting for hegemony in an alternative way.
