Kim-bu-jang plot
Kim Do-hyeon (codename "CODE-66") is a former elite spy who operated between North and South Korea. He left his violent past behind to quietly raise his daughter Min-ji as an ordinary office worker at a savings bank. When his daughter is suddenly kidnapped, he is forced to reactivate his deadly skills and risk everything to save her. In doing so, he immediately attracts the unwanted attention of national security services and dangerous enemies.