Based on a True Story Released 2017-11-01 is a story that falls under the Thriller, Mystery category. Movie Story "Delphine is the author of an autobiographical novel that has become a bestseller. Exhausted by the promotional tour, just when she feels out of place, paralyzed by the idea of having to start writing again, she meets Elle, a young, attractive, intelligent, intuitive woman who seems to understand her better than anyone.".