Second movie in the Hathaway trilogy celebrating the Gundam franchise's 40th anniversary, and the second project in the "UC NexT 0100 Project" that will tackle the future of the UC timeline. Haunted by past trauma, Hathaway is drawn to the mysterious girl Gigi Andalucia, whose strange powers stir memories within him. While swayed by her cryptic words, he continues preparing for Mafty’s mission — the attack on the Adelaide Conference. Meanwhile, Kenneth Sleg of the Federation Forces prepares a defense operation for the Adelaide Conference and a plan to eliminate Mafty, when he is approached by Handley Yoxon of the Criminal Police Organization with a secret proposal. As Hathaway and Kenneth pursue their respective goals, Gigi also sets off for Hong Kong to fulfill her own role.