After World War II, while awaiting permission to enter Russia at a Trans-Caucasian checkpoint, Russian lieutenant Sergei Ivanov informs two American officers that the large crate he has with him contains documents, music scores, etc., belonging to famed Russian composer Peter Ilyich Tchaikovsky. The Germans stole the relics during the war and Sergei has been assigned to repatriate them as his father Stephan had been Tchaikovsky's friend and manservant. Sergei then relates some details of Tchaikovksy's life to the Americans: At a rehearsal of his Uprav informace o filmu