You+Me Against the World Trailer: Cast, Book & 7 Details
You+Me – Against the World premieres worldwide on Prime Video on September 18, 2026, with Vittoria Di Savoia and Lucas Barski leading the French young-adult romance. The movie adapts Emma Green’s bestselling trilogy and follows two students who fall for each other while hiding major secrets.
The film is Prime Video’s first French young-adult Original. Butter Flix also has a dedicated You+Me Against the World movie page.
Table of Contents
- What does the trailer reveal?
- When does You+Me release?
- Who are Alma and Vadim?
- Is it based on a book?
- Who stars in the movie?
- Who directed the adaptation?
- What makes the story different?
1. What Does the You+Me Against the World Trailer Reveal?
The trailer introduces Alma and Vadim as two students who initially clash before a filmmaking assignment forces them together. Their attraction develops quickly, but the romance becomes more dangerous once secrets and outside pressure begin threatening both characters.
The footage sells the movie as a glossy campus romance with a mystery element rather than a simple opposites-attract story.
2. When Does You+Me Against the World Release?
The movie premieres exclusively on Prime Video on September 18, 2026. Amazon says it will launch in more than 240 countries and territories worldwide.
3. Who Are Alma and Vadim?
Alma Lancaster is an 18-year-old student from a wealthy family who secretly wants to become a filmmaker. Her family believes she is studying law instead.
Vadim Arcadi is a 20-year-old outsider with a troubled past. Their forced collaboration on a student film creates the relationship at the center of the story.
4. Is You+Me Against the World Based on a Book?
Yes. The film adapts Emma Green’s bestselling French trilogy Toi+Moi – Seuls Contre Tous. Amazon says the books have sold nearly one million copies in France.
The movie condenses the central relationship and conflicts for a feature-length adaptation while keeping Alma and Vadim as the main pair.
5. Who Stars in You+Me Against the World?
Vittoria Di Savoia plays Alma and Lucas Barski plays Vadim. Their chemistry carries most of the trailer, with the story built around the tension between Alma’s hidden ambitions and Vadim’s difficult history.
6. Who Directed the Movie?
Manon Gaurin directs the adaptation. Gaurin also co-wrote the film with Eliane Vigneron and Alix Letribot.
Originals by Trésor, part of Trésor Films, produces the project for Prime Video.
7. What Makes This Prime Video Romance Different?
The filmmaking-school setting gives the romance a creative backdrop, while both leads are hiding parts of themselves from the people around them.
The trailer also adds a threat from someone watching Alma and Vadim, giving the romance a suspense element beyond family disapproval or campus drama.
Final Take
You+Me Against the World combines a bestselling French romance with a campus filmmaking story and a layer of mystery. Vittoria Di Savoia and Lucas Barski lead the adaptation, and the September 18 global Prime Video release gives the film a clear path to the same YA audience that has supported the platform’s other romance franchises.