Su Yu, the top scorer in the college entrance examination, accidentally came into contact with the mysterious mechanism of an ancient Ming Dynasty house and traveled to the Zhengde period of the Ming Dynasty. When he first came to Qingping County, he was penniless and used modern knowledge to make bamboo dragonflies and windmills to sell in the market. He struggled to make a living, but he encountered difficulties from the evil tyrants with little money. With his wisdom, Su Yuqiao used homemade "firecrackers" and pebbles to successfully defeat Qian Ba and became famous.
After this battle, Su Yu knew that in these troubled times, only by gaining fame can he stand firm and protect others. He searched for books everywhere and studied hard day and night. Fortunately, he received the loving guidance of his private school teacher. From the Tongsheng Examination to the Imperial Examination, can he survive all the way? In the turbulent court battles, complex interpersonal relationships and unknown crises, how will Su Yu use modern knowledge and wisdom to realize his ambitions, punish evil and promote good, and write his own legend in the Ming Dynasty?
