"In the lasting days of the Cold War."
South Korea, 1993. An agent of the National Intelligence Service is sent to Beijing to infiltrate a group of North Korean officials with the ultimate goal of obtaining information about their nuclear program.
Heuk Geum-seong / Park Seok-yeong
Ri Myeong-woon
Choi Hak-seong
Section Chief Jeong Moo-taek
Lee Hong-seol