Ji-Yeon, an elite KIB agent, is briefly at rest at a luxury hotel pool before being summoned by Director Kang for an urgent mission. Alongside her trusted partner Li Mei, she prepares with precision and composure. They learn that highly classified American space program documents—linked to advanced weapon guidance and defense systems—have been stolen by a professional, trace-less network. Anticipating extreme risk, the duo travels under tight security to the United States, carefully analyzing every contingency. Upon arrival at CIA headquarters, they meet Director Hawthorne and liaison Agent Rebecca Stone. Maintaining authority and strategic clarity, Ji-Yeon establishes coordinated operations. With trust fragile and stakes global, the team prepares to track and recover the stolen intelligence through flawless execution.