This French-Italian drama is set in pre-Revolutionary Russia during 1907 and chronicles the relationship between a cold-hearted, blue-blooded woman and a handsome stranger. The two first meet during a walk in the park. Later, the woman, Natalia's, husband, a dentist, is found murdered in his home. Natalia finds herself the prime suspect in the death. She seems to be unmoved by the whole situation and continues to carry on with her two disparate lovers. One of them is a revolutionary and the other a conservative sculptor. One night she is again walking when she finds herself in the midst of a revolutionary fracas. Fortunately, the stranger appears and saves her. He takes her to his elegant apartment and there she tells him all about her life. Eventually the real murderer is revealed.