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.

在那里他潜入的扎夫特军人，过去的好友阿斯．萨拉。两人困惑不知如何是好。另一方，内的爆炸越来越大。