В доме богатой старухи Бенциановой находят убитой жену ее племянника. Штольман узнает, что Бенцианова верит, будто к ней по ночам приходит ее давно погибший сын.
In the house of the rich old woman Bentsianova, the murdered wife of her nephew is found. Shtolman learns that Benzianova believes that her long-dead son comes to her at night. Anna understands that someone comes to the woman alive, posing as a deceased. But for what purpose?