It has been 12 years since the children who called themselves the Lyoko Warriors shut down the Supercompter. Since that day, they have grown up, gone on with their lives, and almost without exception, grown apart. But the lives they have built for themselves come to a halt when old nightmares return and people begin looking for them - for one of them, in particular.

William stood face to face with the enemy, and the enemy was him. Set during the events of Code Lyoko Evolution episode 15.

It's come time for Jeremie and Aelita to realize their relationship isn't quite what it used to be.