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.
| Release Date | May 1, 2021 | |
|---|---|---|
| Status | Released | |
| Original Title | 직지루트: 테라인코그니타 | |
| Runtime | 1h 37min | |
| Budget | — | |
| Revenue | — | |
| Language | Korean | |
| Original Language | Korean | |
| Production Countries | South Korea | |
| Production Companies | ||