Synopsis

Sissi discovered something deeply personal to Ulrich: his diary. Alarming to find, the pages contained details about X.A.N.A. and Lyoko. Seeing an opportunity, Sissi resolved to leverage this knowledge for her own gain, hoping to draw closer to Ulrich. Soon after, as Odd, Ulrich, Sissi, and other students journey to a pool, the bus they're traveling on becomes X.A.N.A.'s next target. He intends to crash it into a chemical plant. The team must now race to Lyoko, where they must aid Aelita in reac