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'...

The brave and moody François, a window washer by trade, has fallen head over heels in love with a delicious woman he spotted while working on the 17th floor of a building. From that moment on, all his dreams turn to the woman he doesn't dare approach. Fortunately, he finally meets her in Perros-Guirec, after following her on a train journey. She calls herself a chatelaine; he introduces himself as a writer. Will love triumph over these pious lies?