A family together with their grandpa go on a vacation, when their new car won't stop and it nearly escapes crashing into a hundred cars.

Two years after a burn-out, Duval is still unemployed. Contacted by an enigmatic businessman, he is offered a simple and well-paid job: transcribing telephone tapping. Duval accepts financially without questioning the purpose of the organization that employs him. Precipitated at the heart of a political plot, he must face the brutal mechanics of the underground world of the secret services.