MAL·MO·E: The Secret Mission
말모이 (original)
In 1940’s Japanese-occupied Korea, two citizens defy the ban on speaking their native tongue and set out to compile the first Korean dictionary.
Starring Yoo Hae-jin, Yoon Kye-sang, Kim Hong-pa, Woo Hyeon, Kim Tae-hun, Kim Sun-young, Min Jin-woong, Heo Sung-tae, Lee Sung-wook, Cho Hyun-chul
It's a drama and history movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Netherlands.