Kim Myung Ha

A well-accomplished man who has mastered the Four Books and Five Classics while also excelling in archery and swordsmanship, making him a well-rounded individual. Despite his talents, he does not boast about them, maintains a fair temperament, does not tolerate injustice, and strives to see the world without prejudice. He keeps a distance from Min Sang Hyo, the younger brother of Min Ji Hwan, who can be considered a political opponent, and Yoo Hyun Bo, who serves as his father Kim Jong Bae's subordinate.

Originally from an undistinguished family, the fortunes of the family changed when his father's sister, his aunt, was chosen as the queen. Kim Myung Ha, with excellent civil service exam scores and the family's virtue, becomes an official in the Hongmun-gwan. Due to a connection with Kang Hang Soon, who had followed Simyang as the Deputy Commander to Qing Dynasty, Kim Myung Ha discovers the relationship between Kang Hang Soon's wife, Kang Hee Soo, and his father Kim Jong Bae. He keeps this fact hidden from his father and becomes acquainted with Kang Hee Soo by frequently visiting Kang Hang Soon's house. He develops feelings for her.

(Source: Korean = NamuWiki || Translation = MyDramaList)