Bernard Guillou

Henry Roubier, a French promoter, and Enrico Mazzini, an Italian, have signed an agreement guaranteeing them a stranglehold on European highways. While driving on the roads of the south, Roubier takes two young hitchhikers, but an unfortunate swerve the car rushes by Henri and its occupants on the top of a pine tree onto the side of a cliff.

Goubi, the simpleton of his village in the French Department Allier, has but one wish: to see Paris. One day, the truckers Grafouillère deposit a drunk Goubi in the biggest market of Paris (the "Halles"). The poor man is completely lost, but the meat merchant Dessertine takes him under his wings when he hears that Goubi was likewise 'raised by the State'...

Pierre Cohen, a sophisticated Parisian psychologist, goes to his brother's farm in order to protect it from very hostile local landowners.