Elena Krug pines for her old love, Prince Rudolf Maximilian Von Hapsburg, formerly a prince of the Austro-Hungarian Empire forced into exile after World War I. Her husband, psychoanalyst Anton Krug, is the one who bears the brunt of this pining. When Rudolf goes to Vienna to meet with old aristocrats of the Empire, Anton tells Elena to go in hopes that this will end her longing. Elena and Rudolf resume their romance, but after a short while, they realize that it cannot last. They ultimately return to their homes.