 While looking for an apartment, Jeanne, a beautiful young Parisienne, encounters Paul, a mysterious American expatriate mourning his wife s recent suicide. Instantly drawn to each other, they have a stormy, passionate affair, in which they do not reveal their names to each other. Their relationship deeply affects their lives, as Paul struggles with his wife s death and Jeanne prepares to marry her fiance, Tom, a film director making a cinema-verite documentary about her.