Set in early 20th century Paris, the story follows Florian Rochefort, the sole offspring of a destitute aristocratic family. To get out of their dire financial situation, Florian’s mother offers him as collateral for a loan from a pawnbroker, Ray Balzac Courland. Unbeknownst to them, Ray is actually the infamous thief Noir, who becomes obsessed with acquiring Florian's one-of-a-kind amethyst eyes for his exceptional gemstone collection.
As the characters embark on thrilling adventures across France, Morocco, and Tunisia, their bond grows stronger with each new experience they encounter. The reader is entranced by their gripping escapades.