On the Adamant

On the Adamant is a documentary about a specialized day-care center for adults with mental health disorders. Located in a floating building on the Seine river in Paris, the facility provides a structured environment intended to help patients recover and reconnect with the world. The film focuses on the daily interactions between the patients and the staff, who strive to maintain a human approach to psychiatric care in the face of systemic decline.

The film was written and directed by Nicolas Philibert. In his career, he previously directed To Be and to Have in 2002 and Nénette's Birthday in 2020, followed by this project, At Averroes & Rosa Parks in 2024, and The Typewriter and Other Headaches in 2024. The production was a collaboration between France and Japan, featuring a cast of people appearing as themselves, including Mamadi Barri, Walid Benziane, Sabine Berlière, Romain Bernardin, Jean-Paul Hazan, and Pauline Hertz.

Released in 2023 with a runtime of 109 minutes, the documentary has received generally positive feedback from viewers. It holds a rating of 6.8/10 on IMDb based on 1,200 votes and a 7/10 on TMDB from 46 votes.