Marcel Marx, a former author and a well-known Bohemian, has retreated into a voluntary exile in the port city of Le Havre, where he feels he has reached a closer rapport with the people serving them in the occupation of the honourable, but not too profitable, of a shoe-shiner. He has buried his dreams of a literary breakthrough and lives happily within the triangle of his favourite bar, his work, and his wife Arletty, when fate suddenly throws in his path an underage immigrant refugee from the darkest Africa.