Queen of Mystery (Korean: 추리의 여왕; Hanja: 推理의女王; RR: Churieui Yeowang; MR: Ch'uriŭi Yŏwang; lit. Mystery's Queen) is a South Korean television series starring Choi Kang-hee, Kwon Sang-woo, Lee Won-keun and Shin Hyun-been. It aired on KBS2 from April 5 to May 25, 2017 on Wednesdays and Thursdays at 22:00 (KST) for 16 episodes.