The film is about a Flemish farmer, Kamiel Spiessens, who does everything he can to defend his land against a Dutch businessman. That man wants to build an amusement park on the land.
A young aggressive man from a small town goes to Amsterdam. He attacks several people, finds a girlfriend and takes her back home. Because of his misbehavior, this friendship ends soon afterwards.
Who is Patient Number 4, and what does he have to do with the Van Oranje-Nassau's, the Dutch royal family?