At a time when maps weren’t readily accessible for the public, ‘Gosanja Kim Jeong-ho’ sets out to walk across the Korean peninsula to make the Daedongyeojido- the Great Map of the East Land, with hopes of providing an accurate and accessible map for the ordinary people. He has all but forgotten about his daughter Kim Sun Shil, who grew to be 16 years old in his absence, as he focuses on completing his map. People say he is crazy, but driven by his goal, Kim Jung Ho endeavors to complete the template for woodblock printing of the map. However, Daewongun, the King's father seeks to take Kim Jung Ho’s map to gain the upper hand in his power struggle with the house of Kim of Andong.
- Other name: 고산자, 대동여지도,Gosanja, Daedongyeojido,The Great Map of the East Land,The Map Maker
- Genre: Drama, Historical
- Status: Completed
- Duration: N/A min
- Country: South Korea
- Network: N/A
Cast: Cha Cheong Hwa, Cha Seung Won, Eom Tae Ok, Gil Sang, Gong Hyeong Jin, Han Kyoo Won, Jeong Choong Goo, Jeong Hyeong Seok, Jeong Jong Yeol, Ji Hyeon Joon, Kim Hak Ryong, Kim In Kwon, Kim Jae Cheol, Kim Jong Soo, Kim Joo Hwang, Kim Seo Kyeong, Kim Yeo Jin, Kim Yeong Goo, Kim Yool Ho, Lee Seok Joon, Lee Seung Cheol, Min Jeong Seop, Myeong Seok Geun, Nam Ji Hyeon, Nam Kyeong Eub, Park Gi Ryoong, Park Min Sang, Park Ock Chool, Park Seong Kyoon, Park Yeong Bok, Ryoo Dae Shik, Seong Min Soo, Shin Dong Mi, Son Seong Chan, Tae In Ho, Yoo Joon Sang