In A.G. 151, the space pirates "Bisidian" have taken advantage of war to extend their power. The Bisidian are associated with Ract Elfamel who supports them in finding the treasure. Once they have located the treasure, Captain Angrazzo ordered his son, Wivik Lambro, to come up a strategy to retrieve the treasure Bisidian has been looking for for some time, but when he infiltrates a certain asteroid in pursuit, who should be lying in wait but federation veteran Largan Drace's platoon! (Source: Gundam Wikia)