Two brothers live in Montbard, Burgundy. For their summer vacation, they decide to visit their mother in Saint-Jean-de-Luz, because it’s been a long time, because it would make her happy… There’s no shortage of reasons. They buy a second-hand motor home and plan to stay open to whatever the road brings them, embarking on a brothers’ journey across France. Just the two of them. But then an endearing young woman crosses their path...