Forbidden Dream: One of the most important figures of Korean royal history King Sejong develop a 20-year relationship with engineer and inventor Jang Yeong-sil, a truly remarkable scientist based on their common interest in astronomy.
- Movie: Forbidden Dream
- Revised romanization: Cheonmun: Haneule Mudneunda
- Hangul: 천문: 하늘에 묻는다
- Director: Hur Jin-Ho
- Writer: Jung Bum-Sik, Lee Ji-Min
- Producer: Kim Cheol-Yong, Kim Won-Guk
- Cinematographer: Lee Mo-Gae
- Release Date: December 26, 2019
- Runtime: 132 min.
- Genre: Period-15th Century
- Distributor: Lotte Entertainment
A 20 year relationship exists between King Sejong (Han Suk-Kyu) and Jang Yeong-Sil (Choi Min-Sik). They invent various devices for astronomical observation. Due to a case, Jang Yeong-Sil is discharged from office and he disappears completely.
- Movie is based on a true story.