In 1968, the classroom of a girls' high school in Munich is transformed into a film studio under the direction of young director Edgar Reitz. The “film lesson” begins: the first documented attempt in film history to teach film aesthetics as an independent subject. 2023: Edgar Reitz, the world-famous director of the Heimat trilogy, is approached by an elderly lady. She identifies herself as one of his former students. They arrange a class reunion.