The Moon Race's attacks continue. Guin orders the area around Vicinity City to be excavated to find more mobile suits. Meanwhile, Loran's conflicted with being part of the Moonrace while on Earth.

Loran uses the Turn A Gundam to fight off the enemy mobile suits, then meets with the Dianna Counter leadership, lying to them about his use of the Turn A Gundam. Sid excavates new mobile suits.

After attacking the Moonrace, Miashei is captured by Dianna Counter pilot Poe Aijee. Sochie and Kihel's mother starts acting strangely upon their return home. Harry and Guin continue negotiations. Moonrace queen Dianna Soriel arrives on the ship Soleil.

Guin and Dianna head through Nocis, having difficulty from the rioting populace. They are helped by Loran and Harry in their respective mobile suits. Dianna and her advisor Miran Rex try to negotiate with Guin.

Dianna hopes to reduce hostilities by holding a party between Inglessia and the Moonrace. Guin and Kihel have Loran cross dress as "Laura Rolla" to makes the Moonrace think the Turn A Gundam's pilot is a woman. Guin and Dianna agree to restart negotiations.

Sochie and Kihel argue due to Sochie's hatred of the Moonrace. Loran hopes to help Moonrace civilian Khuen Morad, who has a sick wife and baby but Sochie refuses to help. The locals protest the Moonrace civilians taking their food.

Moonrace criminal Corin Nander is released from cryogenic stasis and brought to Earth. Loran's identity as a Moonrace has become more public due to Fran's reporting. Sochie is skeptical of Loran and hopes to learn to pilot the Turn A Gundam instead.

Sochie and Kihel receive word that their mother has gone insane, thinking her husband is still alive. Keith sells the FLAT to the Militia. Dianna and Kihel decide to play a joke and wear each other's clothes, then to temporarily switch places.

The Militia grows restless, but Guin doesn't want to break the ceasefire and Corin wants the Moonrace to launch their own attack. Miran plots to head to the Sunbelt zone without Dianna's permission. Kihel (Dianna) seeks to negotiate and asks Loran to help.

The battle at the excavation site continues and Loran and Kihel (Dianna) head underground. Guin decides to abandon Nocis causing the Militia to desire help from Luziana, a neighbouring area. Kihel (Dianna) orders Corin to stop fighting or she will kill him.

Kihel (Dianna) encounters a local man, Will Game, who is the grandson of her fiance from when she was previously on Earth decades before. Will is digging up what he believes to be a spaceship. Teteth confronts Loran on why he is helping the Militia.

Loran assists with the excavation of the spaceship. Luziana military commander Mulligan introduces the Militia, including Sochie, to the Suicide Squad, led by Gavane Goonny. Miran recommends Dianna declare a Moonrace nation in the Sunbelt zone.

Excavation continues on the spaceship, which Sid hopes to keep secret from Luziana. Will meets Dianna (Kihel) and is brought into the Dianna Counter forces. Will and Poe fight the Suicide Squad and Militia forces. Sochie joins in, piloting the Turn A Gundam.

A recap episode. Loran summarizes the events of the first 15 episodes.

Dianna (Kihel) sends Guin a letter inviting him to the Moonrace's declaration of a nation in the Sunbelt Zone. The Militia starts recruiting Moonrace technicians to join them. Teteth plans to assassinate Dianna.

Kihel (Dianna) reveals her true identity to Loran, thinking her counterpart's life is in danger. The Militia launches an attack on the Moonrace forces and Teteth attempts again to kill Dianna. Dianna (Kihel) makes her founding of the state proclamation.

Work continues on the space ship discovered by Will Game, and a Gallop craft is discovered, which Loran is declared captain of. Dianna (Kihel) talks with Harry about those who disagree with her policies, including Agrippa Maintainer.

The Suicide Squad is forced to retreat from the Dianna Counter's mobile suits. Loran meets an old woman, Anise Bell. The Red Team, a group of Moonrace who have long been on Earth, attack, hoping to be accepted into Dianna Counter.

Bruno and Jacop join the Gallop, hoping to steal the Turn A Gundam. Dianna (Kihel) discusses Agrippa Maintainer's possible betrayal with Miran and Harry. Lily suggests Kihel (Dianna) help at the local hospital and she directly encounters the anguish the fighting has caused.

The Moonrace leadership discusses the effect escaping settlers is having. Harry heads out wearing civilian clothing and sneaks in with some settlers, making it to the Militia's excavation site. Successful tests are performed on the space ship. Harry finds Kihel (Dianna), but she refuses to leave. Poe launches an attack, but she is forced to retreat by Loran and Harry. Guin proclaims the space ship to be called the Willghem.

Teteth meets up with another undercover Moonrace, Meme Midgard about her observations of the Turn A Gundam. Gavane asks Sochie to marry him. Kihel (Dianna) recognizes Midgard. Teteth finds Corin Nander, but he only freaks out upon seeing the Turn A Gundam. Archaeologist assistant Joseph Yaht meets Loran's friend Fran. Teteth manipulates a man named Troy to trick Loran and capture the Turn A Gundam. She also captures Dianna, but exchanges her for weapons. Loran uses the Gallop to trick Teteth and take back the Turn A Gundam. Midgard kills Teteth.

The Red Team and Suicide Squad battle. The Red Team later fights with Poe over repair shortages. Gavane and Sochie's engagement becomes public knowledge. The Red Team demands the Turn A Gundam's pilot fight them and attacks the local hospital. Joseph and Loran join up with the Suicide Squad to fight them off. Kihel (Dianna) realizes the Red Team are the descendants of Moonrace troops left behind decades later. She desires to return to the Moon in order to stop the war.

Work concludes on the Willghem. Kihel (Dianna) has headed off with Corin Nander and Loran follows in the Turn A Gundam. She realizes the effect the Moonrace's arrival has had on the local populace. Gavane gives Sochie her wedding dress. Dianna Counter's Phil Ackman hopes to destroy the Willghem, but Dianna (Kihel) says to capture it instead. Loran encounters Fran and Keith. The Willghem successfully takes off and escapes the Dianna Counter attack.