In a luxury hotel, a gathering of foreign high society people attend a wedding lunch. By the end of the feast a dramatic turn of events occurs : on the time of leaving the groom realizes that his newly married wife has... disappeared ! One morning, some time later, he meets her again at the Bois de Boulogne. She tells him everything about her strange attitude: she needed to be married to be able to have access to her husband's money. With this money, she managed to avenge her mother.

While her husband is away on a secret mission, the Marquise Yorisaka is Americanized by Mrs. Hockey and becomes the object of Captain Fergan's affections. Warned of the captain's activities, the marquis obtains a post for him on his battleship and forces him to take command when he himself is wounded. The death of the captain brings about a reconciliation of the couple and resumption of a life in keeping with their tradition.