A threat appears during the battle between Tekkadan and Gjallarhorn, Mikazuki ends up confronting the new threat alone and makes a discovery.

Orga and other members finally reach Edmonton, but are attacked by Gjallarhorn.

Tekkadan heads to Edmonton, but the way is blocked by Carta who is seeking a showdown; Mikazuki and the others keep pressing on.

Exhausted by the repeated battles with Gjallarhorn forces, Tekkadan members are still determined to go to Edmonton.

As they prepare to return to Edmonton, Tekkadan falls under attack by Gjallarhorn; Orga makes a counterattack.

Tekkada will have to accompany Makanai to a parliamentary general session taking place in Edmonton.

With Gjallarhorn's fleet blocking a path, Tekkandan tries to descend to Earth, but the ensuing battle becomes fierce.

Tekkandan's members try to depart the colonies to finally descend to Earthl; someone claims to support the members.

After Kudelia witnesses Gjallarhorn's brutality, she makes a fateful decision.

The colony workers launch a protest movement, which develops into a Gjallarhorn intervention; Kudelia is drawn into the uprising.

The survivors of the battle with the Brewers hold a funeral service for their fallen comrades.

While on patrol, Akihiro and Takaki are attacked by unknown enemies and they engage them in battle.

Tekkadan and Turbines leave Mikazuki and Yikinojo on the Saisei to finish final adjustments to the Barbatos.

Tekkadan and Kudelia leave Mars behind; They're attacked by Coral's Gjallarhorn forces when they try to catch a shuttle.

The adults flee when Gjallarhorn attacks, using Mikazuki and the rest as decoys. Orga gathers those who have been left behind and makes the decision to fight back putting a secret plan into action.

Orga's team is picked to escort Kudelia, the leader of the Martian independence movement to Earth for a important meeting. While preparations for departure are being made, the base is attacked by Gjallarhorn.