To celebrate Yves’ 50th birthday, his friends plan to take him to the sunny paradise of Paros in Greece. But due to a cancelled flight, the holiday will take place in a far less glamorous and much rainier destination: Yves’ family home in Brittany. During the vacation, their bonds are challenged by Antoine’s constant complaining, Yves’ pride, Baptiste’s superstition and Laurent’s jealousy of Jean-Mich’s perfect life and family. On top of that, Antoine’s supposedly harmless joke – offering Yves a DNA ancestry test – has unforeseen consequences…
| Directing | Eric Lavaine | Director |
| Writing | Eric Lavaine | Screenplay |
| Writing | Héctor Cabello Reyes | Screenplay |
| Production | Vincent Roget | Producer |
| Sound | Astrid Gomez-Montoya | Music Supervisor |
| Sound | Rebecca Delannet | Music Supervisor |
| Production | Gala Vara Eiriz | Co-Producer |
| Editing | Vincent Zuffranieri | Editor |
| Costume & Make-Up | Pauline Berland | Costume Design |
| Costume & Make-Up | Emilie Bourdet | Makeup Department Head |
| Crew | Candice Fourmentin | Production Intern |
| Production | Stephan Guillemet | Unit Manager |
| Directing | Catherine Cambier | First Assistant Director |
| Directing | Faustine Chevrin | Third Assistant Director |
| Directing | Arthur Dezanneau | Third Assistant Director |
| Directing | Charlotte Villard | Second Assistant Director |
| Art | Éléonore Legeay | Property Buyer |
| Sound | François de Morant | Sound Mixer |
| Sound | Cécilie Guin | Sound |
| Sound | Grégory Lacroix | Boom Operator |
| Sound | Helene Lelardoux | Dialogue Editor |
| Visual Effects | Sarah Cordonnier | Digital Compositor |
| Visual Effects | Grisvard Killian | Digital Compositor |
| Camera | Emile Bore | Second Assistant Camera |
| Lighting | Xavier Cholet | Gaffer |
| Camera | Jörg Delvaux | Camera Trainee |
| Camera | Tanguy Dolou | Grip |
| Camera | Titouan Savart | Grip |
| Camera | Thomas Spiral | Grip |
| Camera | David Koskas | Still Photographer |
| Camera | Sweva Martinetti | Assistant Camera |
| Camera | Sophie Quaglino | First Assistant Camera |
| Camera | Prune Saunier Dardant | First Assistant Camera |
| Camera | Juan Sepulchre | Camera Operator |
| Camera | Emmanuel Van Wambeke | Camera Operator |
| Production | Claire Pouzaud | Extras Casting Assistant |
| Costume & Make-Up | Larry Boury | Assistant Costume Designer |
| Costume & Make-Up | Justine Lemire | Wardrobe Assistant |
| Costume & Make-Up | Aurore Pageot | Wardrobe Designer |
| Costume & Make-Up | Florie Rigault | Wardrobe Supervisor |
| Editing | Reginald Gallienne | Colorist |
| Editing | Mikael Samson | Assistant Editor |
| Production | Julie Boutruche | Location Manager |