Mads

Mads is a 2024 French horror thriller film written and directed by David Moreau. The story follows Julia, Anaïs, and Romain, who all snort an unknown powdered substance that causes them to grow increasingly erratic. Yovel Lewkowski, Sasha Rudakowa, and Vincent Pasdermadjian appear in supporting roles.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.