- HD 1080
- Runtime: 125m.
- Status: Released
0
- Languages: ko
- Country: South Korea
- Director: Kim Sok-yun
- Stars: Kim Myung-min, Oh Dal-su, Lee Yeon-hee, Jung Won-joong, Hwang Chae-won
- keywords: island, geisha, detective, investigation, forgery, joseon dynasty
- Production_studio: Generation Blue Films, Showbox
- The Detective K: Secret of the Lost Island is featured in the top rankings of 2015
- #67 in Top Action Movies of 2015
- #31 in Top Mystery Movies of 2015
Joseon's top detective Kim Min attempts to track down those responsible for circulating massive amounts of counterfeit silver bullion in Joseon. He also tries to find the missing sibling of a young girl.