For years, King Lee Do (Han Suk-Gyu) has been working covertly on the creation of a Korean alphabet that would make literacy possible for commoners. As the alphabet nears completion, the scholars involved in the project begin to die one by one. Assigned to investigate the mystery, palace guard Chae-yoon (Jang Hyuk) links the serial killings to a secret society plotting to overthrow the throne. However, unbeknownst to all, Chae-yoon has a secret motive of his own...
Contains episodes 1-24.
Special Features: Behind the Scenes.
Spoken Languages: Korean, English subtitles.