The party is still in full swing during the traditional firefighters' ball at the Saignac barracks when Lieutenant Larrivet leaves the premises to sleep a little... A sleep that will last forever since, on arriving at his apartment, he receives a violent blow on the skull. Is it a settling of accounts in love? Or an exacerbated professional rivalry? Magellan and Selma immediately go to the scene and conduct their interrogations with circumspection.
