Mercadet, a young man, and Morin, a forty-something, meet in a brothel in India. They team up to continue their journey together. Along the way, they will meet various people.
Six vignettes set in different sections of Paris, by six directors. St. Germain des Pres (Douchet), Gare du Nord (Rouch), Rue St. Denis (Pollet), and Montparnasse et Levallois (Godard) are stories of love, flirtation and prostitution; Place d'Etoile (Rohmer) concerns a haberdasher and his umbrella; and La Muette (Chabrol), a bourgeois family and earplugs.
Jean-Paul is a Frenchman who yearns to live in communist Czechoslovakia. His wish is granted when, mistaken as a masseur of a French boating team, he manages to elude the democratic authorities long enough to scamper over the Czech border.
Impressions of the rue Mouffetard, Paris 5, through the eyes of a pregnant woman.