Mobile Suit Gundam: Iron-Blooded Orphans
Mikazuki's group, Tekkadan, has been commissioned to escort Kudelia on an inspection of a halfmetal mine, but suddenly, finds itself under attack by space pirates.
Despite some casualties, Tekkadan has successfully repulsed the space pirates of the Dawn Horizon Corps. It appears, however, that this enemy was just one part of a huge space pirate group.
Deploying all the fighting strength it possibly can, Tekkadan attempts to capture Sandoval Reuters, the leader of the Dawn Horizon Corps, with help from Gjallarhorn's outer lunar orbit joint fleet, Arianrhod.
Mikazuki and Orga visit Allium, leader of the ideological group Terra Liberionis, to resolve the issues surrounding the attacks of the Dawn Horizon Corps.
Tekkadan's Earth branch, which is now serving as a military advisor to Arbrau, is consumed with preparing the launch ceremony for the Arbrau Defense Forces. At Makanai's request, Tekkadan takes charge of security for the ceremony venue.
A conflict between the rival economic blocs Arbrau and SAU breaks out as their armies clash on the Balfour Plain.
Gjallarhorn has received a mediation request from the SAU. In order to break the prolonged stalemate, McGillis personally enters the battlefield in a mobile suit.
The fighting ends as the rival economic blocs SAU and Arbrau agree to peace negotiations. As they remember their fallen comrades, the members of Tekkadan decide to withdraw from Earth.
Via a certain matter on Earth, the connection between Tekkadan and McGillis grows even stronger. Meanwhile, the Gundam Vidar, which has been undergoing adjustment by the Arianrhod fleet, finally rolls out.
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.
Gjallarhorn intends to launch a mopping up operation against Tekkadan as the hour of its commencement is drawing steadily closer.
Gjallarhorn begins its Tekkadan mopping up operation, with Tekkadan's future in question.