Forbidden Dream (Korean: 천문: 하늘에 묻는다; RR: Cheonmun: haneul-e mudneunda; lit. Doors to Heaven) is a 2019 South Korean historical drama directed by Hur Jin-ho and written by Jung Bum-shik and Lee Ji-min. Based on a true story, it portrays Sejong the Great (Han Suk-kyu), king of the Joseon dynasty of Korea, and his relationship with his greatest scientist, Jang Yeong-sil (Choi Min-sik). It made its international debut at the 2020 New York Asian Film Festival in August 2020.