"The Piano Teacher" is a 2001 film directed by Michael Haneke, based on the novel by Elfriede Jelinek. The story follows Erika Kohut, a middle-aged piano teacher who lives with her controlling mother. Erika's life takes a turn when she becomes involved with a talented student, Walter Klemmer, leading to a complex and disturbing relationship. The film explores themes of repression, desire, and the psychological struggles of its characters. It received critical acclaim for its intense performances, particularly by Isabelle Huppert, who portrays Erika. "The Piano Teacher" won the Grand Prix at the 2001 Cannes Film Festival.