The story is set in the on a post-apocalyptic Earth that has become uninhabitable due to extreme climate change. Humans have fled to man-made orbital shelters, but a brutal civil war has broken out among them. The plot follows these key elements:
: Yun Jung-yi was a legendary mercenary and military strategist who led allied forces to numerous victories before falling into a coma following a failed mission.
: The project is led by Jung-yi's now-adult daughter, Yun Seo-hyun. As the project faces failure and ethical dilemmas, Seo-hyun discovers secrets about the company's true intentions and struggles with the emotional weight of seeing her mother’s likeness repeatedly destroyed in combat simulations. Technical Context
: Decades later, a military AI development company called Kronoid attempts to end the war by cloning her brain . They aim to create the ultimate "AI combat warrior" named JUNG_E.