As humans engage in space activities on a large scale, the contradiction between the adjusters living on artificial satellites and the natural people living on Earth has become increasingly acute. On February 14, C.E. 70, which was later called "Bloody Valentine's Day", the specialized military organization "ZAFT" composed of the adjuster colony satellites, namely ZAFT, and the Earth Federation led by the Atlantic Federation finally broke out, and the tragic space war broke out. The mother of the adjuster Aslan (voiced by Akira Ishida) unfortunately died in "Bloody Valentine's Day", which made him decide to join ZAFT and participate in the plan to seize the new high-performance mobile suit secretly developed by the Earth Army. The Earth Army, which is opposed to ZAFT, actively resisted. Aslan's childhood friend, Kira (voiced by Soichiro Hoshi), who is also an adjuster, was accidentally pulled into the Earth Army's camp to snatch the Gundam that had not been hijacked. In this series of actions, Kira showed strong combat effectiveness, and also reunited with Aslan in the face of opposition, and the story of love and hate, war and peace began...