The wife of a well-known lawyer, Anna Ilyinichna Tarasova—tired of the hustle and bustle of the capital—comes to the resort town of Oranienbaum to rest. By chance, she becomes a witness to a robbery of a neighboring country estate belonging to Count Volobuyev. Meanwhile in Moscow, the body of a famous actress Krasovskaya is discovered—hidden in a trunk filled with stage dresses. The police see no connection between these crimes. However, Tarasova accidentally learns that last year Krasovskaya’s husband died tragically in Oranienbaum. And he had gone there to attend the wedding of the daughter of Count Volobuyev…