- HD 1080
- Runtime: 135m.
- Status: Released
0
- Languages: ko
- Country: South Korea
- Director: Eom Yu-na
- Stars: Yoo Hai-jin, Yoon Kye-sang, Kim Hong-pa, Woo Hyeon, Kim Tae-hun
- keywords: letter, independence movement, dictionary, korean resistance, word, japanese occupation of korea
- Production_studio: The LAMP, Lotte Entertainment
- Slogan: Our language makes us who we are.
- providers: Amazon Prime Video, Kocowa, Rakuten Viki, AsianCrush, Amazon Prime Video with Ads
- The MAL·MO·E: The Secret Mission is featured in the top rankings of 2019
- #44 in Top Comedy Movies of 2019
- #85 in Top Drama Movies of 2019
During the Japanese occupation of Korea, the Japanese Empire seeks to eradicate the Korean language and identity. In retaliation, a small group of Korean patriots try to protect their language by compiling the first Korean language dictionary.
