A gunshot echoes in the night. It is widely agreed that the victim was none other than the cunning burglar and master of disguise Arsène Lupin. But could Lupin really be dead? On the same night a document about a royal treasure trove known as the Hollow Needle disappears. High school student and amateur detective Isidore Beautrelet doesn't believe this could be a coincidence - Lupin must be alive and working towards his greatest theft yet.
Can Lupin get away with the crime of the century, or will the promising young detective find him first?