Universal Century 0079. The One Year War has raged on for almost nine months. Now, the Federation is ready to strike back with its own Mobile Suits. Young Shiro Amada is en route to Earth to take command of a ground unit of Gundams fighting in the jungles of Southeast Asia. But he gets sidetracked when their shuttle passes too close to a battle. Shiro will have to do his best to lead his team to victory, but his encounter with the female Zeon pilot Aina has changed him more than he realises.