Thrust to the far reaches of the galaxy, the Solo Ship's crew confronts insurmountable odds after Earth's demise and the relentless Buff Clan's pursuit. With humanity's remnants hanging by a thread, the Ideon emerges as their ultimate shield. Amidst the harrowing tension of their final stand, Captain Bes Jordan and ace pilot Cosmo Yuuki race against time to safeguard their dwindling hope, battling not just external foes but also inner despair gnawing at their kin. Armed with dwindling resources, the crew valiantly resists in the frigid void of space, bracing for a climactic showdown against the determined Harulu Ajiba, driven by a fervent quest to restore her family's honor.