Detective K: Secret of Virtuous Widow (2011)

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.

Director: Suk-Yoon Kim

Cast: Myung-Min Kim, Dal-su Oh, Han Ji-min, Jae-yong Lee, Woo Hyeon, Soo-jung Ye, Moo-Seong Choi, In-gi Jeong, Seol-gu Lee, Kyeong-min Mun, Hyo-Sang Choi, Han-beom Lee, Jeong Yeong-gi, Dong-kyoo Lee, Ji-won Seo, Seung-Hyeon Ji, Kim Jong-goo, Eun-Sung Kil