Detective K: Secret of Virtuous Widow

Detective genius Detective K is enlisted by the king to investigate a string of murders that may be linked to a government conspiracy. But when K becomes a suspect himself, he'll have to catch the killers to prove his own innocence.

Detective K: Secret of Virtuous Widow is a 2011 mystery crime movie directed by Suk-Yoon Kim, starring Kim Myung-min, Lee Jae-yong, Oh Dal-su. It holds an IMDb rating of 6.3/10 from 1,250 votes and runs 1h 55m.