During her holiday in Brest, a young Parisian falls in love with a sailor. But autumn comes and the two lovers have to part. They write to each other. Will their love resist at a distance, each living his life, him in Brest with his friends, she in Paris who keeps waiting for him? An impossible love story and the cross-portrait of two cities, Paris and Brest, between the realism of the color images and the poetry infused by the sepia black and white images, lives to the rhythm of the nostalgia of the two lovers...