She's a diva, but her arias are sour
“Marguerite” is set in 1921, not far from Paris, where Marguerite Dumont has invited an array of music lovers to a party at her castle. No one knows much about the host except that she is wealthy and has devoted her entire life to music. Marguerite (Catherine Frot) is an amateur soprano who loves opera but sings terribly out of tune. Because her audience never summons the courage to let on how awful she is, Marguerite lives in a bubble, acting the role of diva. When a journalist writes a rave tongue-in-cheek article on her latest performance, Marguerite starts to believe even further in her talent, giving her the motivation to follow her dream.<br /><br />Though fiction, “Marguerite” is inspired by the real-life story of American socialite Florence Foster Jenkins, who will soon get her own big-screen biopic, starring Meryl Streep. Writer/director Xavier Giannoli incorporates lots of funny moments predicated on Marguerite’s sincere self-delusion, but also manages to make her sympathetic. Reminiscent of the fairy tale “The Emperor’s New Clothes,” the movie shows how her social circle maintains and feeds the illusion that she is a superb artiste.<br /><br />Ms. Grot conveys a sad vulnerability and innocence, making us feel for the woman beneath the cartoonish surface. Interestingly, director Giannoli has given his leading character nearly the same name as Hollywood’s own Margaret Dumont, hapless foil for the Marx Brothers in numerous 1930s films.<br /><br />Bonus extras on the Blu-ray release include an interview with writer/director Xavier Giannoli, 4 deleted scenes, and theatrical trailer. The film is in French, with English subtitles.
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This title falls under the categories of Movies & TV, Featured Categories, Blu-ray and Drama. 
The additional details include the following in key-value format :
 {"Genre": "Drama", "Format": "NTSC, Subtitled, Widescreen", "Contributor": "Olivier Delbosc, Marc Missonnier", "Language": "French (Dolby Digital 5.1), French (DTS-HD Master Audio 5.1)", "Runtime": "2 hours and 9 minutes", "Aspect Ratio": "1.85:1", "MPAA rating": "R (Restricted)", "Product Dimensions": "0.7 x 7.5 x 5.4 inches; 2.86 Ounces", "Item model number": "35437680", "Media Format": "NTSC, Subtitled, Widescreen", "Run time": "2 hours and 9 minutes", "Release date": "July 1, 2016", "Subtitles": "English", "Producers": "Olivier Delbosc, Marc Missonnier", "Studio": "Cohen Media Group", "Number of discs": "1"}

Here is a brief synopsis of the title : Paris, 1920s. Marguerite Dumont is a wealthy woman, lover of the music and the opera. She loves to sing for her friends, although she's not a good singer. Both her friends and her husband have kept her fantasy. The problem begins when she decides to perform in front of a real audience..