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.

• Sanai Pictures
• Artist Studio
• Lee Jung-jae
• Jung Woo-sung
• Jeon Hye-jin
• Heo Sung-tae
• Go Youn-jung
• Kim Jong-soo
• Jeong Man-sik
• Lim Hyung-kook