
Forbidden Dream
2019 · Movie · 132 min · ★ 7.1
A historical drama about a ruler’s effort to strengthen his nation through astronomy and innovation, alongside a brilliant scientist whose work supports that ambition. It focuses on cultural pride, political pressure, and the pursuit of independence from outside influence.
Also known as Astronomy · Doors to Heaven
Where to watch
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2 hours to watch.
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Details
- Original title
- 천문: 하늘에 묻는다
- Years
- 2019
- Release date
- 2019-12-26
- Language
- Korean
- Runtime
- 132 min
- Max quality
- HD
- TMDB rating
- 7.1/10 (21 votes)
About
You may like this if you enjoy Korean historical dramas such as Masquerade or The Throne, with national ambition and scholarly discovery; Not for you if you prefer fast, action-led stories.
Pros: rich historical focus; astronomy-driven story; strong cultural appeal | Cons: history-heavy pacing; related context helpful; narrow audience appeal
Themes
- astronomy
- joseon dynasty (1392–1910)
- ancient astronomy
- king sejong
Cast & crew

Choi Min-sik
as Jang Yeong-sil

Han Suk-kyu
as King Sejong

Shin Gu
as Minister

Huh Joon-ho
as Jo Mal-saeng

Kim Tae-woo
as Jeong Nam-son

Kim Won-hae
as Jo Sun-saeng

Im Won-hee
as Im Hyo-don

Park Sung-hoon
as Crown Prince Yi Hyang

Jeon Yeo-been
as Sa-im

Yoon Je-moon
as Choi Hyo-nam
Directed by Hur Jin-ho