A.D. 2400, DEVA's central council detects an incident of unauthorized access into their mainframe. Someone on Earth was trying to hack into the system. The only information DEVA was able to retrieve was that hacker referred to themselves as "Frontier Setter." To investigate the mysterious hacker's motives, the high officials of DEVA dispatch system Security Third Officer Angela Balzac to the Earth's surface. Equipped with a prosthetic "material body," Angela attempts to make contact with a local agent Dingo, but what awaited her instead was a swarm of Sandworms now infesting the Earth's surface. Angela intercepts the gruesome pests with her exoskeleton powered suit Arhan.
Ace female test pilot Kusomoto Elle humiliates macho tank driver Lt. Kilgore in the first demonstration of the advanced personal battle tank, the MADOX. Kilgore vows revenge, and gets his chance when the army rather carelessly loses the prototype in Tokyo. The MADOX is found by engineering student Sujimoto Kouji, who doesn't take the time to completely read the manual and ends up zooming around Tokyo trapped in a machine he doesn't quite know how to operate. Guess who gets the job of stopping the now mobile missing MADOX? Poor Kouji. If he's late for his date, it's over between him and his girlfriend. His current attire redefines the term "over-dressed." And to top it all off, Kilgore wants to make him late- as in "the late Kouji!"
After discovering the face of their true enemy, someone who is related to Akito and responsible for the Geass placed upon him, W-0 attempts to return to their base at Castle Weisswolf. However, stranded in Warsaw due to a complication involving their military identification, they are forced to accept the help of local gypsies, allowing the squad to take some time to deepen their bonds. Meanwhile, Britannian advisor Julius Kingsley and his guard Suzaku Kururugi begin working together with the Knights of St. Michael in order to crush the European resistance once and for all, armed with the destructive power of a giant weapon known as the Ark Fleet.
Yıl 2131; gelecek kaçınılmaz bir şekilde gelmiş ve beraberinde de büyük bir savaşı getirerek Dünya’nın büyük kısmı harap bir hal almıştır. Bu harabeler arasında, eski bir asker olan Deunan Knute robotlara karşı bir savaş sürdürmektedir. Bir gurup robota saldırmayı plânlamış ve tuzak kurmuştur. Çatışma başladığında hemen hemen bütün ekibini kaybeder ve yakalanır. Tam her şeyin sonu geldi denirken ortaya çıkan ES.W.A.T yazılı özel yapım robotlar Deunan’ı kurtarır. Meydana gelen ufak çatışma sonucunda saldırgan robotlar yok edilir ve Deunan baygın olarak uçağa bindirilir. Kendine geldiğinde ise hiç bilmediği bir yerde ve Bioroid denilen insanlarla karşılaşmıştır. Ancak asıl önemlisi uzun zaman önce kaybettiği ortağı Brialeos ile karşılaşmıştır, gerçi bu karşılaşma Deunan için tam bir şok olmuştur. Şimdi ES.W.A.T için çalışması ve Olimpus’un geleceğini koruma altına alması teklif edilmiştir. Asıl gerçek ise çok daha yakında O’nu beklemektedir.
The war between Euro Britannia and the European Union continues. New orders are given to the W-0 Unit. To land in the middle of the enemy territory as a diversion. The pilots of the W-0 Unit consist only of the commanding officer, Leila, the only surviving Japanese from their last battle, Akito, and the three that escaped from the Eleven ghettos and lived in the underworld, Ryou, Yukiya, and Ayano. With everyone holding their respective expectations, the operation moves forward. On the other side in Euro Britannia, Shin, who made his benefactor commit suicide with the mysterious power of “Geass”, is appointed the leader of the Knights of St. Michael. As Shin steadily advances for the sake of his own ambition, he and his subordinates in the Ashura squad are given orders to deploy. The one that lives in order to fight, and the one that fights in order to live.