Synopsis: Arsenio Lupine III is the grandson of the famous thief Arsenio Lupin. The young man inherits the profession of his grandfather, and dedicates himself to carrying out delicate and excellent high-end robberies, and after that he manages to escape from the police.
In this new film, the young man embarks on a great adventure to discover what the Bresson Diary hides, a book that contains secrets linked to his grandfather's legacy and that not even he himself managed to steal.