Ms. Coppola’s film, which combines archival footage of Mr. Jacobs’s rise through the fashion world and many of his previous runway shows, is built on chats with the designer as he prepares to present a 2024 collection at the cavernous Park Avenue Armory in New York. Behind-the-scenes banalities about searches for the proper gauge of fabric or how the models should walk (stiffly and vacantly, as usual) lead to more banalities about what a runway presentation is: Mr. Jacobs says it’s a seven-minute show. Oh.