Heero and Trowa arrive at Zechs’ Antarctica base, where Heero is reunited with his rebuilt Gundam. However, Heero chooses to use Trowa’s Gundam to duel Zechs instead until Relena’s arrival to stop the battle interrupts them again. Noin reveals that Zechs is Relena’s brother and Trowa uses Wing Gundam to pick up Heero in order [...]

Noin finds Heero and Trowa and takes them to Antarctica, where Zechs is completing the reconstruction of Wing Gundam for his intended rematch with Heero. When Inspector Acht, who ordered the destruction of the Gundam, arrives to expose Zechs as a traitor, Noin and Trowa destroy the search parties before they reach Zechs.

Heero places his fate in hands of Sylvia Noventa, the granddaughter of Field Marshall Noventa, who Heero killed at New Edwards, while Relena openly defies Duke Dermail, the leader of the Romefeller Foundation, the organization of European nobles with monetary and military support for OZ, which impresses Treize. Meanwhile, Zechs begins to reconstruct Wing Gundam [...]

Zechs returns to the Lake Victoria Base with the remains of Wing Gundam, where he meets two of Noin’s former students. He agrees to join them in a military offensive, but Zechs is forced to kill them when they reveal their merciless attitudes to war. Meanwhile, Trowa uses his Gundam to attack an OZ base, [...]