A 1980s espionage action thriller stars Squid Game’s Lee Jung Jae (also making his directorial debut) as head of the foreign unit of the South Korean Agency for National Security Planning. He and the Domestic Unit chief (Jung Woo Sung) in Washington, D.C., must uncover a North Korean spy deeply embedded within their agency. When a plot to assassinate the president is uncovered, the two units are each assigned to investigate each other.