Arsene Lupin. La Aguja Hueca

In the middle of the night, strangers loot the castle of the Count of Gesvres. His secretary is killed and one of the thieves injured. When the police arrive, no objects are missing nor can they find the lost thief who is hiding on the property. Isidore Beautrelet, an enigmatic student of rhetoric, sets out to unravel the mystery. Everything seems to be signed by Arsene Lupine. At the center of the intrigue is the secret of the hollow needle, whose last depositories were Marie Antoinette and Cagliostro. The arcane that made the kings of France almighty from Roman times until the Revolution of 1789 has fallen into the hands of Arsene Lupine.