Dunkirk - Christophe and Frédérique begin a love affair. He is twenty-eight. She is thirty-seven (divorced, two children). She has a conventional, wealthy middle-class look. At the beginning, she is taken aback but comes to believe that they could have something together. And then life takes the upper hand, harsh reality intrudes. Another side to Christophe is revealed : selfish, tormented, unstable. in other words a young man. He cannot bear " settling down " when he should be " living life ". It hurts her. On occasions, he dumps here suddenly but, that same night, comes knocking on her door. He is sorry. In fact, the dream is over : from now on, she's the grown-up and he's the adolescent. Their affair drags on, however, passionate and poisonous. Until the night when..