Chef Bear Valets has just opened his own restaurant, La Fontaine. It's an immediate success. But when he decides to extend his seating into an historic courtyard, some powerful neighbours are against him. Valets charges on, but has to temporarily close when a skeleton is unearthed in the garden, buried next to an ancient stone fountain. When Valets begins receiving threatening letters, he becomes convinced that his life is in danger. And then the fountain, for only the third time in 352 years, stops running. Can Verlaque and Bonnet solve the mystery before someone else ends up dead?