Faut-il aimer Mathilde?

Mathilde lives in the north of France. She has two sisters, children and a grandfather. We see her at her younger sister's wedding. There is also Charlie, never very far behind Mathilde. The next day everything is back to normal. The children are at school, the workers are at the factory. And that is when the accident takes place ... Mathilde is traumatised and shocked, something has changed for her. She suddenly feels time passing, a certain urgency to find happiness: with Charlie, handsome and reliable but a prisoner of his own memories...