Hometown Legends S01E04 - Ghost Letter

Emperor In Jong died suddenly after being on the throne for only nine months. After his death, mysterious incidents occurred in the court and several people were found dead. Certain people believed that this incident was similar to a popular ghost story called "The Legend of Seol Gong Chan." The Chief Prosecutor, Sa Hyun, was determined to get to the bottom of it and discovered that there was a conspiracy in the court that involved forces beyond his capability.