Detective K: Secret of the Lost Island

Detective K: Secret of the Lost Island ( "Joseon Detective: The Disappearance of the Laborer's Daughter") is a 2015 South Korean period action comedy film directed by Kim Sok-yun. It is the sequel to 2011's Detective K: Secret of the Virtuous Widow and is the 8th highest-grossing Korean film of 2015.

A sequel, titled Detective K: Secret of the Living Dead, was released on February 8, 2018.

Synopsis
Set in Joseon in the year 1795, nobleman, inventor and master sleuth Kim Min and his sidekick Seo-pil investigate a silver counterfeiting ring, which may be linked to the disappearance of hundreds of girls.

Cast

 * Kim Myung-min as Kim Min, "Detective K"
 * Oh Dal-su as Han Seo-pil
 * Lee Yeon-hee as Hisako
 * Jo Kwan-woo as Musician Jo
 * Jung Won-joong as Senior colleague
 * Lee Chae-eun as Da-hae
 * Hwang Chae-won as Do-hae
 * Hwang Jeong-min as Sakura
 * Woo Hyun as Mr. Bang
 * Choi Moo-sung as Boss
 * Park Soo-young as Official request man (cameo)
 * Kim Won-hae as Sato (cameo)
 * Hyun Woo as Vampire (cameo)

Box office
The film was released on February 11, 2015. It topped the box office on its opening weekend, earning (US$6.90 million) from 960,000 admissions over five days. By the end of its theatrical run, it recorded 3,872,025 admissions, grossing US$27,870,580, making it the 9th highest grossing film of 2015.