What period of history is the "Great Feng Shui" in South Korea mainly about?

The drama mainly tells the story of how the powerful geographical geomantic omen helped Li Chenggui to establish the country and create Lee Korea at the end of the Koryo Dynasty.

In the process of fighting for power, the scene was reproduced through the lives of civilians, officials and businessmen. Zhicheng plays the role of a Feng Shui master. He can see people's past and future natural talents and use Feng Shui to help Li Chenggui finally establish Korea. Li Chenggui, the founding king of North Korea, was played by Jin-hee Ji. Song Changyi plays Zhicheng's biggest rival in the play. He is also a fortune teller. Since the film is scheduled for 36 episodes, the first few episodes still start from childhood plays.

In Feng Shui, Li Minhao participated in the performance and played the role of the king of horns. King Jiao was originally a wise king. He sat on the throne because of Li Yinren's strong recommendation, but he was addicted to debauchery all day without the trust of the people and ministers, and finally confronted the ruler Li Yinren because of Li Chenggui's strong assistance.