Detective K: Secret of the Lost Island (Korean: 조선명탐정: 사라진 놉의 딸; lit. "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. ()