After a high-ranking North Korean official requests asylum, KCIA Foreign Unit chief Park Pyong-ho and Domestic Unit chief Kim Jung-do are tasked with uncovering a North Korean spy, known as Donglim, who is deeply embedded within their agency. When the spy begins leaking top secret intel that could jeopardize national security, the two units are each assigned to investigate each other.
이정재
as Park Pyong-ho
정우성
as Kim Jung-do
전혜진
as Bang Ju-kyung
허성태
as Jang Chul-sung
고윤정
as Cho Yoo-jung
김종수
as Director Ahn
정만식
as Yang Bo-sung
임형국
as Transposer
정경순
as Chun Bo-san
정재성
as Pyo Dong-ho
송영창
as Director Kang
황정민
as Lieutenant Ri
