Dominique Marceau is on trial for the murder of Gilbert Tellier. The counsels duel relentlessly, elaborating explanations for why the girl murdered the ambitious and talented conductor graduated from the conservatory. Was it fire desperation, an collision? The acquaintances of Gilbert whined, in addition to Dominique fans, and also her sister, Annie, the studious violin player engaged to Gilbert. The signs they provide paints an even more finely-shaded picture of the characters of Dominique and Gilbert, as well as the relationship.