Thoroughbreds was also a big - buzz movie at Sundance, where Taylor - Joy won praise for her performance as a wealthy prep schoolgirl whose friendship with a troubled outcast (Olivia Cooke) leads to a
sinister symbiosis — there are
echoes of Peter Jackson's Heavenly Creatures, but the movie has an icy tone all its own, and themes related to class (suggested by the title) and technology that make the movie unique.