Die Truppen der Vereinten Nationen macht ihre Waffen, die brandneuen Mobile Suit GN-X, startklar. Während Sergei und Soma die Führung des GN-X Team übernehmen, greift eine Kampfgruppe von AEU Piloten die Ptolemaios im All an.
Saji mourns the loss of his sister. The Trinity siblings are betrayed and launch a brief counterattack after their compound's location is revealed, destroying one of the 10 GN-X units from Choubu's assault force. The UN Army continues its assault on Celestial Being, attacking the Ptolemaios in space. Raguna Harvey is killed after Corner learns that it was he that created and sold the GN-X units. The Meisters' units are out-numbered, and they struggle to defend themselves against the GN-Xs firepower. During the battle, Alejandro Corner accesses Veda and deactivates the GN drive of the Meisters' units, leaving them defenseless. However, Sumaragi activates a backup system and every unit except Virtue is able to reactivate. Seeing Tieria's crippled state, Patrick Colasaur goes for the killing blow. Lockon is able to intercept the attack, but is severely injured. The battle ends with the UN Army retreating after losing two of their GN-X units, and the timely arrival of the GN Arms.
Saji, rentré au Japon après s'être séparé de Louise, découvre avec horreur que sa sœur Kinué, journaliste de JNN, a été assassinée. Dans l'espace, l'alliance tripartite nouvellement formée s'apprête à attaquer le vaisseau de Celestial Being qui prépare sa riposte en essayant de se détacher de Véda.
スメラギは万一の事態に備えるため動く。自分の存在意義、ヴェーダとの関係に悩むティエリアに、ロックオンは声をかける。ソレスタルビーイングの行く末とは裏腹に、チームはまとまり始めた。
逐渐统合为一的世界,这正是天上人所追寻的目标。在时势产生惊人变动的情况下,皇为了预防万一而有所安排。在提耶利亚为了自身存在意义,以及与吠陀之间的关系感到苦恼时,洛克昂给了他提示。