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.
Han Suk-kyu
Detective Cho
Shim Eun-ha
Chae Su-yeon
Jang Hang-seon
Detective Oh
Yu Jun-sang
Kim Ki-yeon
Yum Jung-ah
Oh Seung-min
Ahn Suk-hwan
Prosecutor Gu
Kim Jung-hak
Detective Lee
Gil Eun-hye
Young Soo-yeon
