The Grand Hotel, its sumptuous building, its gardens, its swimming pool, its caring staff... and his brand new maid, Véronique Boulet, aka Captain Marleau. The gendarme is infiltrated into the prestigious establishment for an exceptional mission: to discover who threatens Simon Cappa, a businessman with more than dubious activities. Things get tough when the mysterious raven kicks into high gear, trying to shoot Simon Cappa in the head... Is the culprit among the customers, or among the staff?