The season follows Section 9 as they investigate the Individual Eleven, a terrorist group modeled after the historical May 15 Incident. The narrative is significantly more intricate than the first, weaving together three major factions:
: A master manipulator from the Cabinet Intelligence Service who serves as an insidious "chess player" villain. Ghost in the Shell: S.A.C. 2nd GIG
: A charismatic refugee leader and former JGSDF commando whose personal connection to the Major provides the season's emotional core. GHOST IN THE SHELL: SAC 2nd Gig - Review The season follows Section 9 as they investigate
: A group of radicals whose actions are secretly manipulated by a "social virus". Ghost in the Shell: S.A.C. 2nd GIG