1990年代中期,一个 namu-tae (国家安全企划部) 情报员以假名「黄金星」巧妙地演演Role playing, disguising himself as a South Korean businessman trading with North Korea. His mission: infiltrate the North Korean military to gather intel on their nuclear development. But the line between duty and danger blurs when he finds himself entrapped in a web of power struggles among South Korea's elite. Little did he know, his single-minded pursuit of completing his mission would lead him straight into the heart of a chilling conspiracy that threatens not just his country, but the entire Korean peninsula. A thrilling tale of espionage and political intrigue set against the backdrop of cold war tensions, where one man's loyalty to his nation pits him against an enemy that is all too familiar.