Leila's base sits vulnerable when W-0 deploys elsewhere, leaving her skeleton crew exposed to a massive Britannian assault. Shin Hyuuga pilots the fearsome Vercingetorix at the spearhead, having seized the post of Grand Master of the Knights of St. Michael. The situation spirals when a traitor makes their move, forcing Leila into an impossible corner: protect everyone or surrender and negotiate for their lives. She agrees to meet Shin to keep her squad safe. The negotiations soon start to break down. Just when Leila's position becomes untenable, Akito returns with an unexpected partner, arriving just in time to shift the balance of power. What unfolds tests whether these soldiers can overcome betrayal and odds that seemed insurmountable moments before. This film captures the brutal machinery of mecha warfare alongside intimate human conflicts, where loyalty and survival collide under crushing pressure.