Lelouch has lost everything. Nunnally, his beloved sister and his reason to fight, disappeared within a nuclear blast of the new weapon, F.L.E.I.J.A. , and the Black Knights, his loyal armed force, has turned against him after they found out about the secrets of his Geass power. At the depth of his desperation, Lelouch renews his determination to defeat his own father, who is about to achieve his ultimate goal by activating a super-dimensional apparatus, the Sword of Akasha. Meanwhile his elder brother, Schneizel, also decides to rebel against the emperor and to take over the throne for himself, which leads them to a sibling rivalry of the global scale. The controversial anime series now delves into an electrifying climax in which Lelouch performs his grandiose Zero Requiem and rewrites the course of human history.