Young American ballerina enrolls in a prestigious ballet school in Hungary. She suddenly becomes inexplicably obsessed with Tchaikovsky's Swan Lake and her personality completely changes. A young man in love with her investigates.
Nina is a talented but unstable ballerina on the verge of stardom. Pushed to the breaking point by her artistic director and a seductive rival, Nina's grip on reality slips, plunging her into a waking nightmare.
A darkness swirls at the center of a world-renowned dance company, one that will engulf the artistic director, an ambitious young dancer, and a grieving psychotherapist. Some will succumb to the nightmare. Others will finally wake up.