Murder in Mont Saint-Michel

A construction manager, Antonio Ribeiro is found dead in a cemetery. The investigation is led by Captain Sophie Maliquot and Lieutenant Nathan Revel. They visit Antonio's psychiatrist Dr. Bergman, by whom hypnosis was used on him 2 days ago, but she is already killed. It is discovered that during the hypnosis he confessed he had committed a rape 23 years ago, causing the girl to commit suicide. That girl happens to be Dr. Bergman's older sister. He also confessed he raped somebody else 5 days ago. After coming out of hypnosis, Antonio found his secret was out and silenced her. The gendarmes find out that 5 days ago Antonio followed Lydie Caron, the daughter of the owner of the restaurant next to the construction site. She is the one being raped. Lydie's older brother Alexis Caron confesses to murdering Antonio for revenge.