Les enfants de la dernière pluie

During a visit to his brother Xavier who is a patient in a psychiatric hospital, Commander Lanester is witness to a brutal homicide, followed by a suicide. During the investigation, Lanester's team is intrigued by the atypical personality of the suspected murderer - a nurse highly regarded for his empathy and professionalism. When they discover that he acted under the influence of powerful psychotropic drugs, the investigation shifts to a certain Dr Raynaud who is conducting research for a pharmaceutical company.Thanks to the captivating hospital archivist, Elisabeth Dassonville, Eric Lanester is able to penetrate into the hospital's logistics and meet the fascinating Theophobe Le Diaoul, the eccentric poet who gave his name to the establishment. But how can the poems of this old, unconventional bard shed light on what is proving to be a highly complex investigation?