Philippe Etchebest was called to Roumazières-Loubert, in Nouvelle-Aquitaine, to help Isabelle and Christian. Owners of a roadside restaurant for a few months, the couple's sales have collapsed and bankruptcy threatens. But for the first time in Cauchemar en Cuisine, Chef Etchebest will find himself completely destabilized by this establishment: impeccable service, more than correct cooking, owners who listen to their employees... He will be confronted with a real enigma: why is this restaurant, where everything seems to be going well, not working? The Chef will have to conduct a real investigation, even going so far as to observe a service on hidden camera, so that the truth will finally come out! How will he react when he discovers the truth? Will he accept to help this couple who hid the truth from him?