Virtues of Harmony - Season 1 Episode 30
Overview: One day, CHI finds and captures a suspect. She then takes him to the court office and realizes that he is eunuch LING. SO and SAU hide away quickly in order to avoid disclosing the identity. However, CHI accommodates LING at her house in order to apologize for the misunderstanding; SO and SAU are so scared to be recognized by LING. On the next day, LING tends to check the progress of the construction of princess statue; therefore, SO returns to the court office as quickly as possible in order to hide up the truth. However, she is stuck on the way when HONG asks her to do a favor for fixing a wall.