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...

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...

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!

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...

Challia Bull of the Principality of Zeon has returned from Jupiter. Identified as a Newtype, Challia is ordered by Admiral Gihren to join Kycilia's forces. Challia sets out in the mobile armor Braw Bro. However, Amuro is able to evade his multidirectional attacks, and quickly initiates a counterattack of his own.

At a lakeside cottage, Amuro meets a mysterious girl staring at a swan. On his way back from bidding farewell to his father, the treacherous roads cause Amuro's vehicle to become stuck. His rescuer is none other than Char, who has recently arrived at Side 6. At his side is the girl from the lakeside, Lalah Sune. The White Base departs Side 6, and waiting for it is the Conscon Squadron!

The stowaway Miharu is discovered by Kai, who hides her in his own room. Immediately after he gives Miharu some information, Char's subordinate Flanagan Boone visits the ship and contacts Miharu. After watching the children on the White Base get caught up in the ensuing attack, Miharu feels guilty and goes out with Kai in the Gunperry, but...

Captain Char asks his former subordinate Lieutenant Dren to intercept the White Base. Sleggar sorties in a G-Fighter, while a Rick Dom formation begins its attack. As Dren focuses on the fleet battle, he hears a report that the Gundam is missing and becomes uneasy. The Gundam approaches from directly overhead to avoid being spotted, and attacks the bridge of Dren's flagship!

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!

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!

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.

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...

Some of the refugees have petitioned to be dropped off on the ground. Bright uses this as an excuse to ask the Zeon forces for a temporary cease-fire. The Gunperry transporting the refugees also secretly unloads Amuro's Gundam. Kai Shiden's Guncannon then descends to the ground to lure the enemy. The Gundam attacks from the rear of the lake with a pincer movement, and Bright's brilliant strategy unfolds.

The White Base has arrived at Luna II. But what waits for Bright and Amuro is severe punishment from Commandant Wakkein. The youths who have intruded upon the Federation's most guarded secrets are incarcerated in jail, and the Gundam is locked down. Meanwhile, Char and his team carry out a plan to infiltrate Luna II in normal suits.

The Gundam is disabled, and the White Base crew head out to search for it. Amid this, Char and Sayla meet again. Char's real name is Casval, and Sayla's is Artesia. The two are the orphaned children of the late Zeon Zum Deikun, who first pioneered the Newtype concept. Char believes the Zabi family assassinated his father, and he has joined the Zeon forces to take his revenge...

The Gundam is unable to keep up with Amuro's reflexes. Dr. Mosk applies a new magnet coating technology to its joints in an attempt to increase its response speed. Meanwhile, Char has become confident of Lalah's combat skills, and sends the Elmeth into real combat. Her ability to quickly destroy two warships demonstrates Lalah's strange power, and her fellow pilots are filled with dread.