You+Me: Against the World launched globally on Prime Video on September 18, 2026. Amazon presents the movie as the service's first French Young Adult Original film, adapting Emma Green's story centered on Alma Lancaster and Vadim Arcadi. For viewers deciding whether to add it to their watchlist, the basic setup is straightforward: a college romance involving family pressure, creative ambitions, and an outside threat that puts the couple under strain, with no need to read the books first.
Which book is You+Me: Against the World based on?
According to Amazon, the movie adapts Emma Green's best selling trilogy, published in French under the title Toi+Moi: Seuls Contre Tous. The company says the books connected to the story have sold close to 1 million copies in France.
The adaptation brings to the screen the period when Alma and Vadim meet as students and have to work together on a film project. The movie works as an entry point to this universe: the official description does not require prior reading and sets up the conflict as a self contained story for new viewers.
What is the premise, without spoilers?
Alma Lancaster is 18 and comes from a wealthy family that believes she is studying law. In secret, however, she gives herself time to pursue her dream of making movies. On campus she meets 20 year old Vadim Arcadi, described as a solitary rebel with a difficult past.
The two are forced to collaborate on a student film. Their relationship begins with friction, develops into attraction, and runs into personal secrets and a threat watching them from the outside. That is the officially released setup, enough to understand the tone without giving away twists.
Who is in the cast?
The leads are Vittoria Di Savoia as Alma Lancaster and Lucas Barski as Vadim Arcadi. The Prime Video page also lists Zoé Garcia, Léo Legrand, Jean Yves Berteloot, Suliane Brahim, Aymeric Fougeron, and Gabrielle Taittinger among the cast.
Manon Gaurin directs the movie. Amazon credits the screenplay to Gaurin, Eliane Vigneron, and Alix Letribot, with production by Originals by Trésor, a Trésor Films company.
Where can you watch it and how long is it?
The movie is available exclusively on Prime Video, and Amazon says it launched in more than 240 countries and territories. The service lists a runtime of 1 hour and 34 minutes.
On the listing consulted, Prime Video offers audio in multiple languages, including Brazilian Portuguese, plus subtitles in Brazilian Portuguese and European Portuguese. Language options can vary by territory, profile, and device, so checking the local title page before playback is useful.
What should you know before watching?
- It is a literary adaptation: the starting point is Emma Green's story about Alma and Vadim.
- The couple's college years are central: filmmaking and a student project bring the protagonists together.
- It mixes romance and dramatic suspense: secrets and an outside threat put pressure on the relationship.
- You do not need to read the books first: the movie introduces the characters and central conflict for newcomers.
- It is streaming now: the global Prime Video release took place on September 18, 2026.
For viewers looking for a book based Young Adult romance with a college setting and characters caught between family expectations and their own choices, You+Me: Against the World is designed to work for both Emma Green readers and people meeting Alma and Vadim for the first time.
