A large family gathers in the country side for their two Grannies birthday. It's too bad one of the gifts happens to be from their devil-worshipping nephew, and upon opening it, the two loveable grannies turn into rabid, flesh-eating monsters.
| Directing | Emmanuel Kervyn | Director |
| Sound | Frédéric Ullmann | Sound Editor |
| Sound | Frédéric Ullmann | Sound Mixer |
| Sound | Patrick Tacq | Assistant Sound Editor |
| Production | Jonathan Rambert | Producer |
| Art | Luc Bertrand | Production Design |
| Camera | Hugo Labye | Director of Photography |
| Sound | Julien Naudin | Sound Effects |
| Sound | Jean-Bruno Castelain | Original Music Composer |
| Sound | Pierre-Damien Castelain | Original Music Composer |
| Production | Pierre Nanta | Associate Producer |
| Costume & Make-Up | Jean-Pierre Finotto | Makeup Artist |
| Sound | Chris Ketelaere | Sound Recordist |
| Writing | Emmanuel Kervyn | Writer |
| Production | Johan Vandewoestijne | Executive Producer |
| Production | Jean-Bruno Castelain | Supervising Producer |
| Editing | Philippe Ravoet | Editor |