Lee Sun - the 22nd emperor of the Joseon Dynasty in the late 18th century. In the 500-year history of the dynasty, he was the emperor with the most difficult experiences, but he was also the most open-minded and tolerant of everything in the most democratic way. This drama will show Lee Sun's life of waiting and setbacks, success and joy, brilliant achievements and sad love. Lee Sun's politics ended hundreds of years of party politics with outstanding ruling power and tolerance, and he was a genius monarch who created a new era of Joseon's economy with his profound knowledge of real economy! This drama records his life story, depicting his ideas of enriching the country and strengthening the army and the colorful achievements of practical science talents. The essence of late Joseon culture This drama will introduce the essence of late Joseon culture, such as architectural technology represented by Suwonseong, and vividly express it through contemporary famous figures such as Park Ji-won, Lee Ik, Jung Ruo-yong, Kim Hong-do, and Shin Yun-bok. At the same time, the palace painting bureau will be shown for the first time in a historical drama, and more than 10 assassination attempts by the grandson and the emperor will be shown in detail, which has never happened in the 500-year history of the dynasty. The transition period of the 18th century is the transition period of the Joseon economy in the 18th century, when the economy changed from family industry to market economy and trade! The original appearance of the physical economy at that time will be shown. The national business organization led by the heroine Sung Song-yeon later became the pillar of Joseon commerce, and her Joseon specialty products became products for trade with the Qing Dynasty. In particular, the 30-year love between Song-yeon and Emperor Jeongjo constitutes the main part of the TV series. The process of military equipment and weapon research In the second half of the 18th century, a large number of Western cultural relics flowed in and the rebellious forces became stronger, which made Emperor Jeongjo pay more attention to security and national defense issues, and then carried out large-scale military reforms and weapon research. One of them is the first comprehensive martial arts book since the founding of the country: Wuyi Tupu Tongzhi...