The White Base docks at the Belfast supply base for repairs. This information is passed by the female spy Miharu to none other than Captain Char, the Red Comet. Meanwhile, a Jukon submarine launches amphibious mobile suits called Goggs. The Goggs land and begin attacking the Federation ground forces. Amuro rises up against the Goggs, but the fight is close and difficult, and...

In the middle of testing out the G-Fighter, Amuro witnesses a Federation plane taking off from Zeon territory. Amuro follows it to the mobile command ship Big Tray, and informs General Elran of the existence of a spy. The traitor general shows his true colors when he draws his gun on Amuro, but Federation soldiers restrain and arrest him. Operation Odessa is now in effect!

Matilda's return to the White Base raises the crew's morale, and they take a commemorative photo. The Doms of the Black Tri-Stars, however, are approaching the White Base. Sayla is chosen to be the pilot of the G-Armor, and sorties with the Gundam despite feeling overwhelmed. But the three Doms perform their Jet Stream Attack and make sport of the Gundam!

Ensnared in M'Quve's trap, the White Base makes an emergency landing. While the worried Mirai anxiously waits for resupply, Bright formally designates her as substitute captain. Meanwhile, General Revil has just arrived at the European frontline base. Holding the White Base in high regard, he sends Matilda to repair its engines and deliver a Gundam support machine called the "G-Fighter," but...

Bright is unable to bear the strain of overwork, and collapses with a high fever. M'Quve's forces bomb the White Base's Minovsky particle generators and ECM transmitters, rendering it defenseless. Substituting for Bright is the rookie commander Mirai Yashima, whose lack of situational awareness and experience throw the battle into great disorder and confusion.

After Ral's death, Crowley Hamon intends to complete their mission so that she can repay his affections. With the remains of her limited military force, she begins a "drill maneuver" to break through the weak spot in the White Base's defenses. Amuro senses the incoming suicide bomb attack. As the Gundam tries to hold back the bomb, Hamon appears behind the Gundam and takes aim with her Magella Top's cannon!

The assault carrier White Base collects refugees rescued from the recent battle. Most of the regular military crew aboard the White Base have died or are seriously injured. The surviving youths aboard the ship are working together to escape from the colony. Meanwhile, Char seeks out the secrets of the Federation's mobile suits by personally infiltrating Side 7. A girl named Sayla Mass spots him, and Char is shocked at how much she resembles his sister...

After returning to the White Base, Amuro is held in isolation. Meanwhile, with his resupply delayed, Ral switches his strategy and uses small Cui tanks and hand-to-hand guerilla warfare. Ral and his men expect their enemy to be formidable, but when they find nothing but child soldiers aboard the White Base, they cannot hide their astonishment. Within the chaos, Ral runs into Sayla, but...

When Amuro goes to a restaurant to have a meal, Ramba Ral walks in with his men. Just as Ral is starting to form a favorable impression of Amuro, Fraw Bow is captured by a sentry and brought into the room, and tensions rise. Amuro realizes the released Fraw is unknowingly being followed by the enemy, and hurries back to the White Base. Now, the one-on-one battle between the Gundam and Gouf begins!

The runaway Amuro discovers a Zeon mining base. Positive that this base is the target of Operation Odessa, Amuro decides to attack on his own with the Gundam. In response to this surprise attack, Kycilia Zabi decides to test the mobile gun platform Adzam, and launches with M'Quve. Attacked by a metallic dust leader and a radiation field, the exterior of the Gundam suddenly erupts in burning fury!

Amuro is ordered to sortie in the Gundam, but he conceitedly decides to launch with the Guntank instead. Ral's Gouf appears before him, and the difference in fighting strength gives Amuro no other option but to retreat. Amuro switches to the Gundam and tries to fight according to his simulations, but he is forced to bear personal witness to the severity of true combat...

As the White Base heads westward across Central Asia, it receives an order from General Revil to cross the Caspian Sea within 5 days and participate in a massive operation against M'Quve's forces. However, the salt-depleted White Base decides to detour to a salt-water lake. Ramba Ral's team sees an opportunity and draws closer. While this is happening, Sayla tries to launch in the Gundam without permission, and...!

The Gundam successfully diverts an attack on Lieutenant Matilda Ajan's Medea transport. But this is actually a trick by an enemy patrol unit. Approaching the Gundam in their small aerial Wappas, the enemy soldiers start attaching bombs to the Gundam. Amuro discovers their plan after his shield is destroyed, and begins the arduous task of disarming the bombs by himself, when...

Amuro stops by his hometown to visit his mother. To conceal himself from the surrounding Zeon soldiers, Amuro pretends to be a sick patient. Bright's emergency call to Amuro catches the attention of the soldiers. Amuro fires in self-defense, but is scolded by his mother for doing so. He continues to fight despite the immense alienation he feels, but...

While the Principality of Zeon holds a magnificent state funeral for Garma, grizzled veteran Ramba Ral vows to eliminate the White Base and descends upon it with his Zanzibar mobile cruiser. Bright is unable to shake the pursuit of the Zanzibar, and forces the battle-weary Amuro into another fight. A ferocious figure appears and blocks Amuro's path...

Icelina swears to avenge Garma, and joins the pursuit of the White Base. The Gundam and Guncannon leap onto the Gaws to attack them, but Char's Luggun recon plane bombs the White Base and causes it to lose propulsion. In the midst of this, Icelina sees the Gundam. She gathers all her bitterness over Garma's death and tries to ram the Gundam with the Gaw, but...

Char coolly watches Garma romance Icelina Eschonbach, daughter of the former mayor of New Yark. Upon hearing a report that the White Base is hiding within a city, Garma sets out in his Gaw attack carrier. Char volunteers to launch a ground attack with Zakus to help his friend out, but a fearsome conspiracy lies in hiding!

Universal Century 0079. During the war of independence declared by the Principality of Zeon, the Earth Federation Forces have found themselves outgunned. To counter this, the Federation has developed new mobile suits and tested them at Side 7. Zeon Lieutenant Commander Char Aznable senses this and sets out on a reconnaissance mission. One of his overeager soldiers, hoping for personal glory, begins firing. Ensnared in this war, Amuro Ray pilots the Mobile Suit Gundam!

With her last breath, Emma asks Kamille to bring the fighting to an end, and he returns to the battlefield determined to defeat Scirocco and Haman. Scirocco enters Gryps 2 to disable the colony laser before it can destroy the Titan fleet, then teams up with Haman to fight off Char's pursuit, but he is unable to prevent the AEUG from unleashing the colony laser's devastating power. Though the AEUG and Titan fleets have both sustained terrible losses, the final battle isn't over yet...

After changing the course of the asteroid, the Argama rushes back to Gryps 2, where the AEUG, Titan, and Axis fleets are battling for control of the colony laser. As the Argama pilots reach the battlefield they find their old enemies Jerid Messa and Yazan Gable waiting in ambush, and the lives of friends and foes alike are lost in the fierce battle. Emma confronts her former comrade Reccoa, and the outcome of their duel fills Kamille with grief and despair.