Towers are being activated and deactivated constantly. Laura follows the group and Jeremy allows her to help, seeing as it's an unusual case. While in the lab she asks Aelita about Franz Hopper. Not getting a decent answer, she goes to do research in the library before confronting Aelita, saying that she knows Franz built the Supercomputer, and that he apparently abandoned his daughter. Aelita replies that her father didn't abandon her, but that he sacrificed himself for her, and asks if Laura's father would do the same. Aelita returns to the lab.
The gang decides they'll have more luck finding out why by going to the Cortex, where XANA currently lives. They happen upon a huge battle between Tyron's Ninjas and XANA's monsters in the Dome, and can't figure out why the two are fighting each other because Tyron's Supercomputer is what's allowing XANA access to the network. Jeremy decides to organize a meeting with Tyron himself to ask some questions. Later that night the gang goes back to the factory, Aelita and Yumi being sent in to talk to Tyron about XANA. Tyron claims he knows nothing about the artificial intelligence, and that there was no way it could be living inside his own supercomputer. He then tries to imprison Aelita and Yumi inside the Cortex, but Jeremy pulls them out just in time. It's then that the six Lyoko Warriors realize they are up against two separate, dangerous threats rather than just one.
Ulrich et Yumi sont témoins d'étranges phénomènes ... Ca ressemble à des attaques de spectres mais c'est trop fugace pour en être sûr. Sur l'holoscan de Jeremy des tours s'activent et de désactivent sporadiquement sur les différents territoires. Encore une ruse de Xana ? ...Les choses se précisent sur Lyokô... Xana est en difficulté ! Au même moment, Jeremy décèle une activité anormale sur le Cortex. Sur place, les Lyokô-guerriers découvrent avec stupeur que Xana est en train d'attaquer le supercalculateur d'Ikonov !
Ulrik i Jumi svedoče o nekim čudnim fenomenima… Liče na napade spektara, ali su prebrzi da bi tinejdžeri bili sigurni. Na DŽeremijevom superskeneru, tornjevi se aktiviraju i deaktiviraju sporadično u različitim redovima. Da li je ovo još jedan od Kseninih trikova? Stvari postaju očigledne u Lioku… Ksena je u nevolji! U to vreme, DŽeremi detektuje abnormalnu aktivnost u Korteksu. Jednom tamo, Lioko ratnici otkrivaju, zapanjeni, da je Ksena usred napada protiv profesora Tajrona!
Ulrich y Yumi han sido testigos de fenómenos extraños... Parecen espectros atacando, pero son demasiado rápidos para asegurarlos. Jeremy escanea las torres, que se activan y desactivan de forma esporádica en los diferentes sectores. ¿Otro truco de Xana? ¡Preparados para Lyoko ... Xana está en problemas! Al mismo tiempo, Jeremy detecta actividad anormal en Córtex. Allí, los guerreros de Lyoko descubren con asombro que XANA está atacando el superordenador de Ikonov.
يتم تنشيط الأبراج وتعطيلها باستمرار. تتابع لورا المجموعة ويسمح لها جيريمي بالمساعدة، معتبرة أنها حالة غير عادية. أثناء وجودها في المختبر، سألت أليتا عن فرانز هوبر. لم تحصل على إجابة لائقة، ذهبت لإجراء بحث في المكتبة قبل مواجهة اليتا، قائلة إنها تعرف أن فرانز قد بنى الكمبيوتر العملاق، وأنه على ما يبدو تخلى عن ابنته.
