|Alternate Names||은밀하게 위대하게: 슬럼버, Covertly Grandly, Covertly, Gloriously, Covertness, Secretly Greatly, Secretly, Greatly: Slumber, 隐秘而伟大|
|Genre||Action, Thriller, Comedy, Drama|
|Original Run||Season 1:July 5, 2010 - April 28, 2011|
Slumber: March 12 - April 19, 2013
Season 2: October 28, 2013 - August 11, 2014
Re-serialized: January 27 - September 16, 2018
Secretly, Greatly is a webtoon by HUN.
Three North Korean spies are sent to a small South Korean village to await for further instructions. Won Ryu-Hwan takes up the persona of a goofy, mentally challenged young man, he is really a lethal agent trained to kill. He is later joined by Lee Hae-Rang, another agent who poses as a wannabe rock star. Shortly later, Ri Hae-Jin (Lee Hyun-Woo), also a member of their special forces team in North Korea, arrives in the same neighborhood. After years, the mission they are finally given is to kill themselves in order to protect North Korean secrets. They must now decide whether to follow orders or to commit treason and be hunted down by the country that they had sacrificed everything for.
Secretly Greatly was adapted as a South Korean movie in 2013, where it broke the box-office record for most ticket sales in its first day of release by a Korean film.
- 은밀하게 위대하게 at KAKAO (Korean, Pay, Re-serialized)
- 은밀하게 위대하게: 슬럼버 at KAKAO (Korean, Pay)
- 은밀하게 위대하게2 at KAKAO (Korean, Pay)
Secretly, Greatly at Spottoon (English)