Pièce de François Merle : 11 février 1963, Sylvia Plath, poétesse américaine,se donne la mort. Une longue correspondance la reliait jusque-là à sa mère.
Keeping the original theatrical mise-en-scene, the film features Delphine Seyrig and her niece Coralie Seyrig reciting Sylvia Plath's letters to her mother directly to the audience as though we were the recipients of these private missives