As the Gryps conflict nears its end in Mobile Suit Zeta Gundam, siblings Asagi and Takuya embark on a civilian vessel heading towards Earth. Amidst the chaos of a clash between the Titans and AEUG forces, they are tasked with safely navigating their ship through the Earth's atmosphere. Their daunting journey receives an unexpected twist when they encounter a uniquely decorated Zeta Gundam, piloted by a mysterious individual whose voice bears a striking resemblance to the renowned One Year War hero, Amuro Ray.