A modern migrant worker travels through the early years of Zhenguan and becomes a young man named Qin Jue. He joins his uncle Qin Jue and comes to Chang'an. With thousands of years of knowledge, he cleverly used pulleys and levers to trick the fierce general Yu Chigong, opened up business opportunities with saltpeter ice, invented horseshoes to solve the problem of military horse maintenance, and improved tea to amaze everyone. He relied on his true talents and hard work to establish himself in the Tang Dynasty, and gradually unlocked new opportunities in the prosperous era.
