One year after the Black Rebellion, Lelouch Lamperouge has resumed his normal school life with no apparent memories of the year before. After skipping remedial gym class, he sets off with younger brother Rolo to gamble at Babel Tower. Led by C

Lelouch directs the Black Knights in a counterattack against the Britannian forces and recalls how he came to forget his past: after Suzaku arrested him and brought him back to Britannia a year ago, the Emperor used his Geass to implant false memories in Lelouch's mind. The new Knightmare Frame prototype Vincent arrives and wreaks havoc on the Black Knights. They collapse Babel Tower to retreat, simultaneously dropping it on Viceroy Carares and creating a road straight to the Chinese Federation Consulate, where the Black Knights escape to

Lelouch returns to the Ashford Academy during the broadcast, causing Villeta Nu's Special Division to have doubts he was the Zero on television. Needing information on his sister's whereabouts, Lelouch sets a trap to turn Rolo into his pawn. Gilbert G

Lelouch deduces the nature of Rolo's Geass and convinces Rolo to spare him; in return, he will hand over C.C. Li Xingke confronts the Eunuch Gao Hai and kills him to take command of the consulate

Suzaku returns to Ashford Academy to investigate Lelouch. With the Black Knights reassembled, Lelouch plans to lead the resistance while maintaining his façade as a student. A welcoming party is held for Suzaku at the academy, and C

Rolo uses his Geass to buy Lelouch time to say words of caution to Nunnally without revealing his reawakened memories to Suzaku. Unwilling to fight against Nunnally, Lelouch orders the Black Knights to capture her as she is transported to Area 11 by airship. Successfully boarding the vessel, Zero meets with her and tries to convince that Britannia is using her

Nunnally is sworn in as the new Viceroy of Area 11, and reveals her intention to restore the Specially Administrated Zone of Japan. Knowing he cannot go against his sister's wishes, Lelouch slips into a state of depression. Before he relinquishes himself to Refrain, Kallen steps in, reminding him his duty as Zero to realize the dream he gave to the Japanese

The Black Knights question Lelouch's decision, and the Britannian Army remains wary of his intentions. In a private conversation with Suzaku, Gino Weinberg, Anya Alstreim, Lloyd Apslund, Cécile Croomy, and Miss Romeyer, Zero requests he be exiled from Area 11 in exchange for delivering one million participants. The Britannians think he is abandoning them to ensure his own safety, and accept

Lelouch learns that the Chinese Empress Tianzi is being forced into a political marriage to First Prince Odysseus u Britannia. The wedding is orchestrated by the High Eunuchs, who will become nobility in Britannia in exchange for turning over half their land to Second Prince Schneizel el Britannia. As the wedding begins, Li Xingke initiates a coup-d'état to overthrow the Eunuchs, but before he can free the Empress, Lelouch appears and takes her hostage

Lelouch successfully escapes with Empress Tianzi and the Black Knights attempt to unite with their Indian allies. Desperate to recover the Empress, the Eunuchs agree to forgive Li Xingke if he rescues her. To that end, he is granted use of the powerful Shenhu

Back at Ashford Academy, Sayoko Shinozaki is posing as Lelouch. Realizing the Eunuchs are not interested in saving Tianzi, Li Xingke rebels. As the Black Knights hold their ground against the Chinese Federation and Britannian forces, Zero tries to reason with the Eunuchs, who openly admit their treachery

Lelouch is shocked that Sayoko has made him into a playboy. As he tries to work out a way to undo the damage, Milly declares Cupid Day, where any girl can become a boy's girlfriend by stealing his hat. Rolo and Sayoko help Lelouch avoid the female students trying to catch him

Having recovered her memories, Shirley questions her perception of reality. Lelouch heads to the train station to check on the delivery of a G Train, a network of Gefjun Disturber-equipped trains that will black out all of Tokyo once active. Meanwhile, Jeremiah makes his move on Ashford Academy, overwhelming Sayoko and Rolo in his search for Lelouch

Rolo admits to causing Shirley's death; rather than blame Rolo, Lelouch blames the existence of Geass itself. In retaliation, he mounts an assault on the Geass Directorate, slaughtering every man, woman, and child within the stronghold. V

Suzaku realizes he cannot stoop to Lelouch's level to achieve his goals and decides not to use Refrain on Kallen. Instead, he heads to Ashford, where he discovers the Intelligence Agency is under Lelouch's control. Ohgi and Villetta meet in the woods, where Villetta intends to kill him, but Ohgi confesses that he has fallen in love with her

Forty-seven countries rally under the banner of the new United Federation of Nations, and their first declaration is to declare war on Britannia to liberate Japan. In anticipation, the Knights of Rounds and the bulk of Britannia's military force are transferred to Japan. Nina also asks to have the Lancelot equipped with her newly-developed F

The battle for Japan gets underway, and it does not start out well for the Black Knights. Luciano and Bismark decimate their ranks, with only Li Xingke to keep them at bay. Suzaku and Lelouch meet to discuss Nunnally

With the power disrupted, the Black Knights begin their assault on the Tokyo Settlement. Suzaku threatens to use the F.L

A ceasefire is called so Schneizel can meet with the leaders of the Black Knights, but Lelouch is too devastated to attend. Schenizel reveals the truth about Lelouch and his Geass, as well as the many people he has used it on; a recording from Lelouch's meeting with Suzaku solidifies the evidence. In exchange for Japan's independence, the Black Knights agree to betray Lelouch

As the Emperor prepares to begin Ragnarok, Lelouch and Suzaku head to Kaminejima to face him. No longer restrained by his notions of wrong methods being meaningless, Suzaku strikes a deal with Schneizel to become the Knight of One, in exchange for assassinating the Emperor. Lelouch, using his Geass to its full potential, compels much of the Britannian military on the island to follow his commands

Within the Sword of Akasha, Lelouch learns the truth about his mother's death from the Emperor and Marianne herself. The two reveal their intention to create a gentle world without lies, and begin Ragnarok. Lelouch almost reconciles with them, but changes his mind when he realizes that the world the Emperor desires has no future

Lelouch begins his reformation of Britannia, abolishing the aristocracy and Area system. The Knights of Rounds attempt to remove Lelouch from power, but Suzaku, piloting the Lancelot Albion, easily obliterates their ranks, killing Bismarck Waldstein and two other Rounds members while only disabling Gino's Knightmare. His position secure, Lelouch announces his intention to join the U

Schneizel unveils his plan to position the Damocles in such a way as to strike every warring nation in the world, thus enforcing peace through the threat of annihilation. Cornelia objects, but is gunned down. Lelouch declares Nunnally his enemy during their conversation, but in private has trouble with the thought of fighting her

The Black Knights manage to board the Avalon. Lelouch escapes in the Shinkirō while C.C

Lelouch and Suzaku fight for the sake of their promise, the Zero Requiem. Suzaku battles Kallen, while Lelouch confronts Nunnally, his biggest and dearest enemy