In the year 2045, the world relies heavily on advanced artificial intelligence for warfare, driving governments into endless battles for economic gain. Major Motoko Kusanagi leads the mercenary group GHOST through this tumultuous era. With the rise of a new threat posed by cybernetically enhanced beings known as 'post-humans,' Kusanagi and her team, after departing from Public Security Section 9, find themselves entangled in a covert conflict while pursuing an arms dealer. The unexpected appearance of these post-humans, possessing unparalleled intellect and physical prowess, sparks a series of events that ultimately reunites Section 9. Tasked with a critical mission, Kusanagi and her reformed squad must thwart the impending global catastrophe orchestrated by these formidable adversaries.