You+Me – Against the World is Prime Video’s very first French Young Adult Prime Original film. Adapted from Emma Green’s bestselling trilogy, which has sold nearly one million copies in France, the film brings together Vittoria Di Savoia and Lucas Barski as Alma and Vadim, two students who couldn’t be more different, determined to resist their growing attraction to each other.
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Release Date
Adapted from Emma Green’s bestselling trilogy, You+Me – Against the World premieres on September 18 on Prime Video. Directed by Manon Gaurin and produced by Originals by Trésor, a Trésor Films company, the film will premiere exclusively on Prime Video in over 240 countries and territories worldwide.

Quick Facts
| Detail | Info |
|---|---|
| Film Name | You+Me – Against the World |
| Also Known As | Toi+Moi – Seuls Contre Tous |
| OTT Platform | Prime Video |
| Release Date | September 18, 2026 |
| Genre | Young Adult, Romance, Drama |
| Director | Manon Gaurin |
| Writers | Eliane Vigneron, Manon Gaurin, Alix Letribot |
| Lead Cast | Vittoria Di Savoia, Lucas Barski |
| Based On | Toi+Moi Trilogy by Emma Green |
| Production Company | Originals by Trésor (a Trésor Films company) |
| Country of Origin | France |
| Language | French |
| Availability | 240+ Countries and Territories |
The Source Material
The film will be released across more than 240 countries and territories worldwide, giving audiences a chance to watch the French adaptation of Emma Green’s Toi+Moi trilogy on the streaming platform. The trilogy is one of France’s most beloved young adult book series, having captured millions of readers with its heartfelt exploration of love, identity, and the pressures of living a double life.
Plot
Alma Lancaster, played by Vittoria Di Savoia, is 18 years old and appears to lead a perfect life within a wealthy family who believes she is studying law. In secret, she pursues her true dream: filmmaking.
On campus, she meets Vadim Arcadi, played by Lucas Barski, a 20-year-old magnetic and solitary rebel with a troubled past. Forced to collaborate on a student film, they clash, grow closer and fall in love, despite themselves. But someone is watching them, determined to tear them apart and expose secrets that could destroy both Alma and Vadim.

Cast
| Actor | Character | Detail |
|---|---|---|
| Vittoria Di Savoia | Alma Lancaster | Lead, 18-year-old aspiring filmmaker |
| Lucas Barski | Vadim Arcadi | Lead, 20-year-old rebel with a troubled past |
About Vittoria Di Savoia
Vittoria Di Savoia is a French actress. She stars as 18-year-old Alma, who appears to have everything figured out. She comes from a wealthy family and has led them to believe she is studying law, while secretly pursuing what she actually wants to do: filmmaking. You+Me – Against the World marks a major career milestone for the emerging actress, earning her a lead role in a globally distributed Prime Video Original for the very first time.
About Lucas Barski
Lucas Barski plays Vadim, a 20-year-old student with a troubled past who largely keeps to himself. When Alma and Vadim are forced to work together on a student film, their differences immediately put them at odds. That doesn’t stop them from getting closer, and their relationship eventually turns romantic. Much like Di Savoia, Barski steps into his most high-profile role to date with You+Me – Against the World, making his mark on a global streaming platform for the first time.
The Director
Manon Gaurin directs and co-wrote the film with Eliane Vigneron and Alix Letribot. Gaurin brings a distinctly personal and intimate directorial eye to the story, grounding the romantic and dramatic elements of the narrative in an authentic university setting.
Why It Matters
You+Me – Against the World is a landmark release for Prime Video, as it represents the streamer’s first-ever French Young Adult Original Film. The film’s global reach, spanning over 240 countries, signals Prime Video’s commitment to bringing local-language stories to the world stage. With the source material having sold nearly one million copies in France alone, there is already a built-in, passionate fanbase eagerly awaiting the adaptation.

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FAQs
What is the OTT release date of You+Me – Against the World?
You+Me – Against the World premieres on September 18, exclusively on Prime Video.
Which platform will stream You+Me – Against the World?
The film will stream exclusively on Prime Video, available in over 240 countries and territories worldwide from September 18, 2026.
Who are the lead actors in You+Me – Against the World?
The film brings together Vittoria Di Savoia and Lucas Barski as Alma and Vadim, two students who couldn’t be more different, determined to resist their growing attraction to each other.
What is You+Me – Against the World based on?
The film is adapted from Emma Green’s bestselling Toi+Moi trilogy.
Who directed You+Me – Against the World?
You+Me – Against the World is directed by Manon Gaurin and produced by Originals by Trésor, a Trésor Films company, and is written by Eliane Vigneron, Manon Gaurin, and Alix Letribot.





