The students travel to Brussels for the European Choreographer's Grand Prix but when Lena leads them to a ballet battle with another school, they all could be expelled.

During the performance for the European Choreographer's Grand Prix, Lex arrives and although Lena tries her best to stop her, Lex is determined to win this round!

With Victor's help, Lena and Thea break out of the Bureau and escape through a portal door and right back into the Garnier.