- Lin Jianguo, a top mechanical engineer in the 21st century, specializes in agricultural machinery and automation transformation. In an experimental accident, his soul traveled to a young man with the same name in 1965. Facing a situation of scarcity of materials, backward technology, and increasingly tense political atmosphere, he used his knowledge, vision and engineering thinking that surpassed the times for more than half a century to improve the situation and contribute to the strength of the country.
