” The film is being translated into English as Species, though it is also going under the title Mutation in Korea. FirstShowing. net reported on the release of this teaser trailer and accompanying poster on September 14, 2026.
The film is being described as “The Substance for the Burnout Generation” and comes directly from this year’s Cannes Film Festival line-up. After starting in Cannes, it is playing at the Bucheon International Fantastic Film Festival (BIFAN) in Korea and will hit theaters in November there. Reviews from Cannes were quite mixed, but the distributors are hoping to get the same crowd that loved The Substance into watching this film as well.
Directed by French filmmaker Marion Le Coroller, who previously directed Built 2 Kill and several short films, the screenplay is written by Le Coroller and Thomas Pujol. The film is produced by Carole Lambert. The cast includes Mara Taquin, Karin Viard, Kim Higelin, and Sami Outalbali.
The story follows Margot, a young intern at the most competitive hospital’s ER in the country, who has trouble keeping up in this stressful environment. As she is confronted with multiple patients her age presenting unusual symptoms, her own body starts to show disturbing changes. The film explores bizarre symptoms afflicting young people under extreme stress and overwork. One day, she encounters a series of patients her own age exhibiting unexplained symptoms and begins to question what is happening. At the same time, increasingly disturbing changes begin to manifest in her own body.