A young oncologist is found poisoned in his own department. Chloé's support will prove crucial in helping Matthieu solve a case that echoes the recent death of someone close to him.

The murder of a young lawyer, devastated by the dramatic consequences of his first trial, leads Matthieu and Chloé to the trail of a psychologist who practices hypnosis.

The young wife of a wealthy art dealer is found savagely stabbed by her swimming pool. Chloé and Matthieu focus their investigation on the victim's husband, a possessive man in his fifties who is nowhere to be found.