Christian Merret-Palmair

Willy Vander Brook, a world with Franco-Belgian roots, travels to Paris for an interview. He is welcomed by his childhood friend Serge, an ex pub operator, and his roommate Frank, a fierce supporter of the Walloon independence. When Willy discovers that his candidacy is not accepted because he is Belgian, he and his compatriots decide to take revenge

A young man joins a team of experimented door-to-door salesmen, who teach him how to sell an expensive encyclopedia to modest homes that have no use for it.