Jikji Route; Terra Incognita

직지루트; 테라 인코그니타

Also known as Jigjiluteu; tela inkogeunita

The documentary production team, which was tracking the connection between Gutenberg and Goryeo metal types, finds the "Pope´s Letter to King of Goryeo" in the Vatican archives. In the face of opposition from scholars for lack of relevant evidence, they leave for Europe in search of historical traces to complement it.