The image of a mysterious, solitary filmmaker - a cineaste maudit - who flees from both the media and the public, is unrelentingly bound to the figure of Leos Carax, in France. Elsewhere, the real focus is on his films and he is considered to be an icon of world cinema. Mr.X dives into the poetic and visionary world of an artist who was already a cult figure from his very first film. Punctuated by interviews and unseen footage, this documentary is most of all a fine-tuned exploration of the poetic and visionary world of Leos Carax, alias "Mr.X".

A movie director does a new film against heroin consumption, and the producers are heroin dealers.

Alice, fired from her job on an assembly line, leaves her boyfriend and provincial home for an uncertain new life in Lyon. There she encounters Bruno, a construction worker who's just been dumped and is severely depressed. Romantic possibilities ensue.

A large and beautiful property on the French Riviera. A place that seems out of time and sheltered from the rest of the world. Anna goes there with her daughter for a few days of vacation. Amidst her family, friends and the house staff, Anna has to handle her fresh break-up with her partner and the writing of her next film.