With the help of Sigmund Freud, Lupin uncovers the assassin of an archeologist who had information about oil deposits in Libya.
Arsene Lupin steals the entire collection of pre-Columbian art from under the nose of its owner.
Both Lupin and Herlock Sholmes investigate the theft of famous paintings from a castle in Sofia.
Lupin disguises himself as a priest in Rome after he obtains papers documenting thefts from the Vatican.