Graveyards (Cimetières)

A woman, another one, a young man, an older one. Many scenes in graveyards but it isn't frightening nor scary. Inside a house, too. Stressful situations, only one character at a time. In the whole movie : only one word, which can be as french as english. But what is really the story, the real story that happened ? Then, at the end, the hope of a new refreshed world and triumph of youth ...