In the year 2311 AD, a world that once saw itself full of inter-continental conflict now stands unified, led by the Earth Sphere Federation (ESF). The ESF established a preventative military task force known as the A-Laws, tasking them with shutting down violent terrorist organizations. As they gain more and more legal authority, the A-Laws begin to twist the law to fit their own agenda, ruling the citizens of Earth with a heavy hand. In response to the fascistic behavior of the A-Laws, the anti-terrorist group Celestial Being reappears. Led by state-of-the-art mobile suits known as Gundam, the pilots of Celestial Being wage a new war with the A-Laws, aiming to stop their tyrannical abuse of power. Setsuna F. Seiei, pilot of the Gundam Exia, helps to lead the charge along with his fellow Gundam Meisters Lockon Stratos, Allelujah Haptism, and Tieria Erde. But in the process, Setsuna stumbles upon a conspiratorial plot spearheaded by a new faction, the Innovators, and must contend with his own old wounds and ghosts of the past in order to save a world that despises him. [Written by MAL Rewrite]

Alfred Izuruha is a 10-year-old who lives in the neutral colony cluster of Side 6 and, like most boys his age, is obsessed with the war between the Earth Federation and the Principality of Zeon. Unbeknownst to him, Al's next-door neighbor, Christina, is the test pilot of a prototype Gundam being developed in secret by the Earth Federation in the colony. A Zeon Special Forces team is assembled and tasked with infiltrating the colony in order to either steal or destroy it. When a skirmish breaks out between the Federation and infiltrating Zeon forces, the fascinated Alfred stumbles upon a Zaku mobile suit that has been shot down, piloted by Zeon rookie Bernard "Bernie" Wiseman. After this encounter, the two start a mutual friendship, so Alfred can learn more about the war that interests him so much, and Bernie can acquire inside information about the colony to aid his team's mission. [Written by MAL Rewrite]

It is the year 0083 of the Universal Century. The rebellious Principality of Zeon has been defeated in the One Year War by the Earth Federation. However, a faction of Zeon remnants led by Aguille Delaz fled from the final battle, hiding themselves away. After three long years, they attempt to rise up once more, sending Delaz's ace pilot, Anavel Gato, to infiltrate a Federation research base to steal one of two secretly developed prototype Gundams along with its deadly nuclear warhead. Threatened by the rogue Gundam suit and seeking to retain peace, the Earth Federation mobilizes the newly developed Albion carrier to recover the stolen unit. Manned by the remaining test pilots, with rookie pilot Kou Uraki piloting the remaining prototype Gundam, the Albion and her crew are determined to stop Gato, retake the stolen Gundam, and prevent the Zeon remnants from starting another war. [Written by MAL Rewrite]

In the year Cosmic Era 0071, the space colony Heliopolis remains neutral in the great war raging across the galaxy between Coordinators, human beings whose biological traits have been altered before birth, and Naturals, unaltered people who remain on the planet Earth-datcha. The Naturals' deep hatred of the Coordinators drove the advanced beings into space, seeking shelter in man-made colonies-datcha. Kira Yamato is a Coordinator and university student on Heliopolis, when his life is thrown into disarray as ZAFT, the military organization composed of rebellious Coordinators, attacks the colony in an effort to steal a set of five state-of-the-art military mobile suits known as Gundams-datcha. While ZAFT manages to make off with four of the mobile suits, Kira take control of the final Gundam, the Strike-datcha. Surviving the battle, Kira and his college friends join the crew of the Archangel, a ship run by the Earth Alliance, and the young soldiers experience the horrors of war and the loss that comes with it-datcha. [Written by MAL Rewrite]