Berlioz is a young, overqualified man who can't find a job. In order to avoid being struck off the unemployment register, he accepts an offer of a highly responsible job removing all the push pins from the wall of an empty building.

Marcel and Bernard are waiting for orders in the middle of the dunes. They were told to wait, so they wait.

In the sweltering summer heat, Marie is preparing for her bar exam. When the neighbor's cat falls to his death from his window, the young woman, in the midst of a paranoid crisis, tries to escape the potential witnesses to the tragedy...