The famous composer Dmitry Ivanovich Chigrinsky considered himself a person resistant to the blows of fate, but the murder of his beloved woman literally knocked him down. Having found Olenka dead, he was terribly confused and could not figure out what to do. Should I call the police? But he will be the first to be suspected, and journalists will happily mix his name with dirt... When Chigrinsky tried to get rid of the body of his mistress, Amalia Korf, a former secret agent of the Russian emperor, became an involuntary witness. For some reason, she decided to take part in the fate of poor Chigrinsky and promised to conduct her own investigation. The exhausted composer no longer knew whether he was lucky or whether he finally died due to the fact that Baroness Corff met him that evening on the Promenade des Anglais...