Lin Yu, a modern college student obsessed with the history of the Tang Dynasty, accidentally traveled to the Tang Dynasty. In this strange era, he first worked in a grocery store outside Chang'an City, and the situation was constant. Later he moved to the countryside and tried to make a living by doing farm work, but he was full of jokes. However, Lin Yu was not discouraged. He worked hard to adapt to the difficulties, kept learning, and forged a deep friendship with the people of the Tang Dynasty. What awaits him in the future are more unknown challenges and wonderful encounters. Can he rely on his wisdom and courage to counterattack and achieve an extraordinary career in the prosperous age of the Tang Dynasty?