From the books that inspired the new Netflix series "Lupin" with Omar Sy. Arsene Lupin is suddenly and suspiciously willing to share some secrets with Inspector Ganimard which will help the police unveil a murder. But is Lupin helping out of the goodness of his heart or does a large jewel connected to the deceased have anything to do with it? The fifth story in Maurice Leblanc’s collection "The Confessions of Arsene Lupin" about gentleman thief and criminal mastermind, Arsene Lupin.