"Black Swan" is a psychological thriller film directed by Darren Aronofsky, released in 2010. The story follows Nina Sayers, a dedicated ballet dancer, who competes for the lead role in Tchaikovsky's ballet, "Swan Lake." As she strives for perfection, Nina's mental state deteriorates, leading to disturbing hallucinations and a struggle with her identity. The film explores themes of ambition, obsession, and the duality of human nature, represented by the contrasting characters of the White Swan and the Black Swan. Natalie Portman stars as Nina, delivering a performance that earned her an Academy Award for Best Actress.