With ZAFT having stolen four of the prototypes, young Coordinator Kira Yamato pilots the GAT-X105 Strike Gundam and is forced to fight his old friend Athrun Zala.

在那里他遇到了潜入的扎夫特军人，过去的友阿斯兰．萨拉。两人困惑不知如何是。另一方面，工厂内的爆炸越来越大。