A bus stops on the road to Montlu?on, and there two strangers meet: Tati, a steely widow, who runs the farm her late husband left behind, and Jean, an odd, quiet man with nowhere to go. There is between them an affinity and Jean agrees to lodge with Tati, and help with the farm as he can. In the still and heat of the summer, they labour together and, inevitably, begin their affair. But nothing is at it seems, and as affections strain and stray, their relationship hurtles toward a disturbing doom.