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.
as Kim Hyeong-min
as Kang Tae-oh
as Kim Soo-min
as Detective Jo
as Chief of Crime Department
as Ji-hee's Grandmother
as Lawyer
as Jeong-bong
as Detective Han
as Hair Salon Manager
as Kang Sook-ja
as Hyeong-min's Father
as Captain Ma-soo
as Park Mi-yeong
as Kim Wook-cheol
as Judge
as Song Kyeong-soo
as Diving Captain Jam-soo
as President Park
as Oh Ji-hee
as Young Kang Tae-oh
as Noodle Restaurant Owner
as Detective
