In this huge Norman delightfully old-fashioned family home, the visitor is invited to an usual meeting in the flesh, with the gentleman burglar in flesh and blood who returns to the place where he was created. Who lived here: Maurice Leblanc or Arsène Lupin? Most probably both of them since here we discover, souvenirs of the writer all mixed up with objects related to the glory of his hero. The shrewd dandy confides his secrets and challenges the visitors with his enigma.