Odd has been extremely bored since the super computer shut down, but what happens when he decides to visit the super computer and instead comes face to face with four masked figures? Will the gang find the mysterious figures before they execute their plan or will Lyoko finally be gone for good? UxY, OxA, JxOC.

Story about the 5 lyoko warriors in highschool battling Xana's forces which are growing constantly stronger. How will the gang react when Odd returns after 2 years with an unexplained departure. Will they be able to follow their hearts and find love, or will Xana prove too great an opponent? OxA UxY JxM