Detective Cho, a cop on the edge, is mourning his mother's recent death while under investigation for graft; on top of that he is suddenly put in charge of a seemingly-impenetrable mystery.
as Detective Cho
as Chae Su-yeon
as Detective Oh
as Kim Ki-yeon
as Oh Seung-min
as Prosecutor Gu
as Detective Lee
as Young Soo-yeon
as Section Chief Yoo
as Detective Kim
as Chae Yong-hoon
as Chief of Police
as Museum Colleague
as Soo-yeon's Mother
