The Duo - Episode 3

S1 E3: Switched at birth, Chun-Doong and Gwi-dong are beginning to show even more signs of their respective biological traits. Chun-Doong's thirst for knowledge endears him to the local teacher, who takes him on as his protege. Gwi-Dong has tried to woo the teacher's daughter, who has befriended Chun-Doong despite his indigent upbringing. Meanwhile, unrest is abound and Map-Soon has fallen out of favor with Lord Kim's wife because of Gwi-Dong's misadventures in the countryside