Kim Jeong Ho became desirous of creating maps since his father had to lose his life due to an incorrect map. The movie depicts the fate of the era that he had to face, as he finally took on his own mission to make the woodcut of Daedongyeojido, Joseon’s first largest nationwide map. ~~ Adapted from the novel "Gosanja" by Park Bum Shin.
- Native title: 고산자, 대동여지도
- Also Known as: The Great Map of the East Land; Gosanja, Daedongyeojido; The Map Maker
- Genres: Historical