suspense. The beginning of the novel introduces us to the setting aboard the transatlantic steamship ‘La Provence’ where passengers enjoy their journey while a mysterious tension builds around the presence of Arsène Lupin, rumored to be on board. As a wireless message alerts the passengers to his identity, the intrigue heightens. Conversations reveal the social dynamics and personal attractions among the characters, especially between Bernard d’Andrézy and the beautiful Miss Nelly Underdown. When a jewelry theft disrupts the voyage, suspicion falls on a fellow passenger named Rozaine, who shares similarities with Lupin, leading to a thrilling contest of wits and escalating tension among the travelers as they grapple with the reality of being in close proximity to a master criminal. (This is an automatically generated summary.)