Lin Zhao, a modern chemical engineer, accidentally traveled to the troubled times of the late Song Dynasty and became the son of the Lin family's salt family. His father was tortured and killed by the salt official Zhao Dezhu for improving the salt drying method, and the elderly and weak members of the family were on the verge of despair. Faced with the torrent of troubled times and blood feud, Lin Zhao used modern knowledge as an edge to improve the "gradient crystallization method" to double the salt production. He also integrated chemical principles into the improvement of gunpowder and developed "earth-shaking thunder" and other sharp weapons, igniting the fire of revenge and change under the pressure of blood feud and survival.
In order to fight against the corrupt bureaucracy and the Mongolian cavalry, he lay dormant and laid out plans: he teamed up with the former head of the Ministry of Industry, Shopkeeper Chen, to rebuild the salt field and form the "Sea Salt Guards"; he exchanged salt for food, used fire to protect the people, and built a city foundation in Longwan, Liaodong. The young man's wisdom is sharp, and he works step by step to lay out the salt lakes of the Western Regions, the Bashu grain road, and the sea rights of Malacca. He builds a strategic closed loop with "salt-fire-grain-commerce", and his influence radiates to the Central Plains and overseas.
In the midst of intrigues and bloody battles, 16-year-old Lin Zhao transformed from an avenger into a hero with the world in mind. He promoted the exchange of household registration for salt fields, opened warehouses to benefit the people, set up schools to teach skills, and united people's hearts with "salt nourishes the people, fire protects the people", and the population of Longwan surged to tens of thousands. The young man shouldered the weight of troubled times, and finally set fire to the prairie fire with the power of salt and fire, vowing to overthrow the tyranny of the Yuan Dynasty and establish a new dynasty that was people-oriented, technologically innovative, and prosperous at sea.
