Julien is a family man who starts an affair with a married woman, as they meet in the blue room of a local hotel. He later starts to receive anonymous letters, and finds himself accused of murder.
A man and a woman, secretly in love, are alone in a room. They desire each other, want each other, and even bite each other. In the afterglow, they share a few sweet nothings. At least the man seemed to believe they were nothing. Now under investigation by the police and the courts, what is he accused of?