You Are a Princess.

When Lara (12-15) is forced to write a new song for the Siren, the evil circus owner, for the biggest music festival in the country, "Vog", she decides to go on a journey, together with her friends Todor (12-15) and Ksenija (12-15), as well as her uncle Ilija, to find the former biggest star Elena in the hope of restoring her inspiration and faith in music, not knowing that the evil Siren has completely different plans for her...