Universal Century 0153. During the war between the League Militaire and the Zanscare Empire, Uso Ewin while alone on a reconnaissance mission happens upon the Zanscare Empire's Newtype squad, and finds himself blind-slighted by a Zoloat, and comes under attack by the mysterious Mobile Armor Zong. However he finds himself rescued by an old junk dealer Grey Stoke. The pilot of the Zolat, who was also rescued alongside Uso is revealed to be a young girl named Kamui Gian.