Ki Heon, a former intelligence agent, is given secret orders to transport the first ever human clone, Seobok, from his life in a lab to a new safe location. Because the robotic clone holds the secret to immortality, evil organizations try to kidnap him and extract that secret. After the duo escapes, Ki Heon will do everything in his power to shield and protect Seobok from those groups with hidden agendas and bad intentions.