Nancy, East of France. Summertime. Seeking to escape her troublesome family environment, Sophie, 15, jumps at the chance to get the spare keys to her wealthy friend Jade's house. While enjoying the spacious home she thought deserted for summer, she bumps into her friend's older brother Stéphane, who, as fate would have it, was also planning on staying. But instead of chasing her out, Stéphane will choose to leave the door open as an invitation to a summer Sophie never expected.
| Directing | Paul Saintillan | Director |
| Directing | Jeanne Aslan | Director |
| Production | Antoine Delahousse | Producer |
| Production | Thomas Jaeger | Producer |
| Production | Claire Trinquet | Associate Producer |
| Sound | Côme Aguiar | Music |
| Camera | Alan Guichaoua | Director of Photography |
| Editing | Aymeric Schoens | Editor |
| Production | Kenza Barrah | Casting |
| Production | Thomas Weber | Casting |
| Costume & Make-Up | Sophie Porteu | Costume Design |
| Art | Marion Grosdider | Set Designer |
| Sound | Philippe Deschamps | Sound |
| Sound | Jules Laurin | Sound Editor |
| Sound | Noëmy Oraison | Dialogue Editor |
| Camera | Lisa Billuart-Monet | Second Assistant Camera |
| Camera | Emmanuelle Gary | First Assistant Camera |
| Sound | Thibault Deboaisne | Music Supervisor |
| Writing | Jeanne Aslan | Screenplay |
| Writing | Paul Saintillan | Screenplay |
| Writing | Agnès Feuvre | Scenario Writer |