Everything is peaceful in the Parisian villa of Benjamin Ferel’s parents until someone enters Jules's--his father--office. Edith, his mother, shots at a man fleeing through the garden. That same night, Jules disappears. Benjamin does not want the police involved in their business. He has a better idea: contact Assane Diop, a childhood friend who is a huge fan of Arsene Lupin. This novel is a prequel to the popular series.