A scientific engineer who has taught himself some medical knowledge accidentally travels back to his hometown in 1854. Facing a familiar yet unfamiliar environment, the protagonist decides to change the lives of the villagers from scratch. He does not seek to be famous among the princes, but hopes to flap his wings in advance and bring the glimmer of science to the ignorant China in advance. Use your own knowledge to change the poor and weak China, and use it as a seed to sprout a technological tree that leads to a strong country from scratch.
