Dead Landes, les escapés

It's the end of the holidays at "L'Escapade", a small campsite in the Landes. While Michel, the boss, makes the tour of the owner in front of the cameras of a continuous chain of information, a terrible cataclysm falls and the campers find themselves deprived of electricity and telephone network. Anyway, they're cut off from the world. Agathe, lieutenant of the gendarmerie, decides to join the nearest town to find help...