Summary
Kim Joon, director of the Defense Science Research Institute, sacrifices his life in 2024 to protect South Korea’s classified military technology. Miraculously, he awakens decades earlier in the body of his deceased friend, Jeon Hyun-seung. Carrying advanced knowledge within him, Kim Joon resolves to alter the course of history. He sets out to create a revolutionary weapon within just three months—one powerful enough to rescue the nation from impending economic collapse.