Un représentant en parapluies change de vie à l'occasion d'un voyage en Bretagne pour se consacrer à sa passion : la peinture.
Henri is a middle-aged travelling umbrella salesman from Saumur. One night on the roads of Brittany he hits a boar with his car. He meets Émile, a rude and carefree painter who lives in a cottage near Riec-sur-Belon.