Black Swan is a 2010 psychological horror film directed by Darren Aronofsky. Winona Ryder plays the role of Beth MacIntyre, a veteran ballerina who becomes threatened by the arrival of a talented newcomer, Nina, played by Natalie Portman. The film follows Nina's descent into madness as she strives for perfection in her role as the Swan Queen. Black Swan is known for its intense and gripping storytelling, as well as its exploration of the dark side of ambition and artistic obsession. Winona Ryder's portrayal of Beth adds depth and complexity to the film's ensemble cast.