Two rivals, a hidden truth.
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.
Lee Jung-jae
Park Pyong-ho
Jung Woo-sung
Kim Jung-do
Jeon Hye-jin
Bang Ju-kyung
Heo Sung-tae
Jang Chul-sung
Go Youn-jung
Cho Yoo-jung
Kim Jong-soo
Director Ahn
Jeong Man-sik
Yang Bo-sung
Lim Hyung-kook
Transposer
Jung Kyung-soon
Chun Bo-san
Jeong Jae-seong
Pyo Dong-ho
Song Young-chang
Director Kang
Hwang Jung-min
Lieutenant Ri
