To Float is the story of the first Slovenian choreographer Rut Vavpotič. Born on 2 March 1908 in Idrija, Vavpotič started her career in ballet in Ljubljana in 1920, only to leave for ballet school in Paris in 1924. As a professional, she danced in a number ballet companies across Europe and collaborated with world-renowned choreographers. In the film, Vavpotič is played by ballerina Ana Klašnja and actor Aleksandra Balmazović.