On the day he loses his job in advertising agency, Gérard Floque returns home to find that his infant daughter has been arrested for drugs trafficking and his wife is having an affair with a TV presenter. Gérard's only comfort in this time of mid-life crisis is his colleague, a young punk girl named Martine.

L'action se situe, comme le titre l'indique, dans un palace ou grand hôtel. Des saynètes humoristiques sans queue ni tête s'enchaînent tout au long de l'émission dans différents lieux du palace (cuisine, réception, ascenseur, chambre etc.)

The widow of a thief learns that the chateau she lives in has a fortune in gold hidden somewhere.