The detective Aurore Dupin is tasked with finding the source of the weird noises heard at night in the old mountain village of Astérie!
While Astérie is preparing for Hélène Marvos wedding, Aurore quickly realizes that the mysteries of Astérie are more than simple nocturnal noises...
With the help of the manor's servants: Léda, Léticia, and Hender!
Meanwhile, discover the story of the Golden Knight and his faithful steed!
What is the real mystery behind this story?