A pink flamingo killed by a bullet and a barrel revolver found in a canal. Panda and Lola go up his track and land on the lands of the Castan manade where the law of silence reigns supreme. Very quickly, however, Panda and Lola identify a potential crime scene with a fleeing boss and a missing seasonal worker. But still no corpse...

Benjamin, 20, dies in the middle of Zen retirement from a stroke. Nothing suspicious a priori, if Ben had not left a curious voice message at the time of his death... And if he didn't have anything about the zen retirement candidate. Convinced that he is dealing with a murder, Panda infiltrates the retreat incognito, while Lola decides to officially investigate it.