Tekkadan has discovered a huge object at a mine it is managing. Having received a message from Orga about the object's true nature, McGillis decides to pay a secret visit to Mars.
The awakened mobile armor, along with a huge quantity of sub-units, heads for a densely populated area to begin its attack. Tekkadan attempts to hold back the onslaught, but is helpless against its overwhelming power and superior numbers.
Outnumbered, Tekkadan turns to McGillis for assistance, and launches a mobile armor mopping-up operation. Meanwhile, a strange phenomenon occurs in the Gundam Frames that are confronting the mobile armor.
Mikazuki faces off against the mobile armor. The battle continues with mounting intensity.
Lafter and the other Turbines members take their leave of Tekkadan. Meanwhile, at Teiwaz, the organization's number two Jasley Donomikols plans a new maneuver.
Tekkadan has been thwarted in its attempt to rescue Turbines from danger. Orga restrains himself in response to Naze's wishes.
A modest funeral service is held aboard the Saisei. But Jasley has been preparing yet another stratagem.
With the repairs to the Barbatos complete, Tekkadan musters its fighting strength. The members ready their resolve for the confrontation with Jasley.
Gjallarhorn's Earth headquarters has been captured in a coup d'état by young officers. Among them is McGillis, who heads for a facility underneath the headquarters.
The Arianrhod fleet, led by Rustal Elion, attempts to gather all its forces to fight the coup d'état.
Tekkadan revives and launches an attack, aiming to escape the battlefield. Meanwhile, the fight between McGillis and Gaelio becomes increasingly ferocious.
Tekkadan plans to return to its Martian headquarters and start over. The situation, however, has undergone a dramatic reversal.
Tekkadan is in a difficult predicament. A huge Gjallarhorn force then begins deploying around its Martian headquarters.
Gjallarhorn intends to launch a mopping up operation against Tekkadan as the hour of its commencement is drawing steadily closer.