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A serial killer is caught for his seventh murder. A cop tries to solve the first six cases with the killer's help, but starts to suspect that he has ulterior motives. Based on a true story.
Kim Hyeong-min
Kang Tae-oh
Kim Soo-min
Detective Jo
Ji-hee's Grandmother
Lawyer
Jeong-bong
Detective Han
Hair Salon Manager
Kang Sook-ja
Hyeong-min's Father
Captain Ma-soo
Park Mi-yeong
Kim Wook-cheol
Judge
Song Kyeong-soo
Diving Captain Jam-soo
President Park
Oh Ji-hee
October 3, 2018
Kim Hyeong-min
Kang Tae-oh
Kim Soo-min
Detective Jo
Ji-hee's Grandmother
Lawyer
Jeong-bong
Detective Han
Hair Salon Manager
Kang Sook-ja
Hyeong-min's Father
Captain Ma-soo
Park Mi-yeong
Kim Wook-cheol
Judge
Song Kyeong-soo
Diving Captain Jam-soo
President Park
Oh Ji-hee
Similar to Dark Figure of Crime
