Birkin: A Portrait of Ambiguity.

The film is a mix of documentary, fiction, and autobiography, as the two women explore the themes of femininity, aging, and the nature of stardom. The movie features Birkin taking on various roles, from a bride to a mother, and also includes reenactments of key moments in her life, as well as conversations between Varda and Birkin about their memories and shared experiences. The film also incorporates Birkin's fantasies and dreams, blurring the lines between reality and imagination. Overall, Jane B. by Agnès V. is a deeply personal and introspective exploration of Birkin's identity and legacy, as seen through the lens of Varda's unique cinematic perspective.