During the First World War, Russian officer Ignatoff, wounded, falls in love with his nurse, Natasha. But she is subject to an upcoming marriage of family convenience to Brioukow, a wealthy industrialist of peasant stock. Brioukow is unjustifiably jealous, since Natasha has not betrayed him. He forces Ignatoff into his debt as a means of humiliating him. When Ignatoff's new fri...