Moscow, 1916, during the First World War. Urged by her mother, a widow almost ruined, Natasha Kovrin becomes engaged to Briukov, a rich merchant much older than her. A nurse at the military hospital, Natasha meets Captain Ignatov and the two young people fall in love. Learning that Natasha is already engaged, Ignatov renounces Natasha. Later, he falls victim to the embezzlement of a spy in the service of Germany. He is accused of treason, but Briukov could save him...
