Black Swan

Black Swan is film directed by Darren Aronofsky and starring Natalie Portman, Vincent Cassel, and Mila Kunis. Variously described as a psychological thriller or a psychological horror film, its plot revolves around a production of Swan Lake by a prestigious New York City ballet company. The production requires a ballerina to play both the innocent White Swan and the sensual Black Swan. One dancer, Nina (Portman), is a perfect fit for the White Swan, while Lily (Kunis) has a personality that matches the Black Swan. When the two compete for the parts, Nina finds a dark side to herself. (official distributor synopsis)