Universal Century 0087. The Titans, a bellicose faction among the Earth Federation Forces, grows powerful and tyrannical, even using poison gas to suppress a civil unrest. Dissident soldiers from the same military stand against them, forming a resistance group called the AEUG. Kamille Bidan, a civilian student, gets entangled in this conflict when he impulsively steals the Gundam Mark II and joins the AEUG, running away from his home space colony. Then he begins to fight along with Char Aznable, a former Zeon ace pilot who has infiltrated the Earth Sphere for reasons of his own. This is the first part of the feature trilogy derived from the anime series Mobile Suit Zeta Gundam, and features enhanced animation and theme songs by GACKT.

Universal Century 0087. As the civil war between the AEUG and the Titans continues, Kamille meets a mysterious girl named Four. But his encounter with Four, one of the Titans' "cyber-Newtypes," fills his heart with anguish. The grief-stricken Kamille fights his way back to space to find the new mobile suit Zeta Gundam waiting for him. Meanwhile, Paptimus Scirocco, the man from Jupiter, has added his strength to that of the Titans. And a third power is finally making its move, in the form of the Zeon remnants of Axis... With enhanced animation and a theme song by GACKT, the tragic romance of Kamille and Four unfolds in this second part of the Mobile Suit Zeta Gundam feature trilogy.

Universal Century 0087, Char Aznable has now become the leader of the AEUG. Scirocco, the man from Jupiter, schemes to seize control of the Titans. Haman, the Axis leader, is attempting to restore the Zabi family. Through politics and strategy, these three powers struggle for dominion over the Earth Sphere. The war builds to a deadly endgame around the space colony Gryps 2, which has been converted into a giant laser cannon. What destiny awaits Kamille at the end of the conflict? This is the final part of the Mobile Suit Zeta Gundam feature trilogy, which features enhanced animation and theme songs by GACKT.

Advanced Generation (A.G.) 101. The space colony Angel is attacked and destroyed by a mysterious "Unknown Enemy" with overwhelming strength. As this "UE" continues its attacks, a boy named Flit Asuno loses his mother when she is caught in the crossfire. Now in A.G. 115, Flit must fight using a new Gundam of his own creation, which evolves itself through battle. The curtain rises on an epic Gundam saga spanning 100 years and three generations.

After Colony (A.C.) 195. Mankind has moved into space. Thousands of people live on giant orbiting space colonies called "Sides." However, the Earth Government, which rules the colonies, is unjust and cruel. A group of revolutionaries builds five robotic weapons called Gundams and plans to send them to Earth to begin their fight for independence. Piloted by five young men, these Gundams carry the hopes and dreams of freedom of the colonists with them as they descend to Earth to begin Operation Meteor!

When Banagher Links meets the mysterious Audrey Burne, he inherits the Unicorn Gundam and is swept up into the battle for space colony independence.

High-school student Amate Yuzuriha lives peacefully in a space colony floating in outer space. But when she meets a war refugee named Nyaan, Amate is drawn into the illegal mobile suit dueling sport known as Clan Battle.

Cosmic Era 71. Mankind has developed into two subspecies: Naturals, who reside on Earth, and Coordinators, genetically enhanced humans capable of withstanding the rigors of space who inhabit orbital colonies known as PLANTs. The story revolves around a young Coordinator named Kira Yamato, who becomes involved in the war between the two races after a neutral space colony secretly developing mobile suits for the Earth Alliance is attacked by the PLANTs' military force, ZAFT.

It is the Universal Century, year 0153. The Zanscare Empire, which rules almost all of Side 2, has declared its independence from the old government, the hollow and corrupt Earth Federation. Under the justification of creating a new, space-based order, it has begun an invasion of Earth; and Point Kasarelia, the illegal residence area in Eastern Europe where Üso Ewin and Shahkti Kareen live, is no exception. As they are caught in the fighting between Zanscare and the opposing resistance organization, the League Militaire, fate draws Üso and his friends into the midst of battle.

U.C. 0097, one year after the opening of "Laplace's Box". Despite the revelation of the Universal Century Charter that acknowledges the existence and rights of Newtypes, the framework of the world has not been greatly altered. The conflict later dubbed the "Laplace Incident" is thought to have ended with the downfall of the Neo Zeon remnants known as the Sleeves. In its final battle, two full psycho-frame mobile suits displayed power beyond human understanding. The white unicorn and the black lion were sealed away to remove this danger from people's consciousness, and they should now be completely forgotten. However, the RX-0 Unicorn Gundam 03, which disappeared two years earlier, is now about to show itself in the Earth Sphere once more. A golden phoenix… named Phenex.