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.

A man dressed in blue is waiting, very thirsty, in a poorly ventilated room. Suddenly, a man dressed in red enters the room with a water bottle dispenser, determined not to share. The tiniest of conflicts exploding within minutes.