Mia, an interpreter, notably for radio, lives in Paris with her partner, Vincent, a doctor. One evening, the two are having dinner at a brasserie when Vincent, called away for an emergency, has to leave. Mia takes her motorbike home, but, surprised by the rain, stops at a restaurant where a birthday is being celebrated. Suddenly, armed men appear, wreaking havoc in the establishment. Mia, wounded by a bullet, survives, but remains permanently scarred by the tragedy. Some time later, she returns to the scene to meet other survivors.