Everyone was sure that Baroness Amalia Korf rented an estate in the province because doctors recommended the local climate to her sick uncle Kazimir. And few people guessed about the true purpose of her arrival... Suddenly, all of Amalia’s plans were confused by a tragic incident - the death of student Dmitry Kolozin. Dmitry was accused of a terrible crime - the murder of his landlady's family - but he assured everyone of his innocence. The famous journalist Snegirev took the side of the accused, and he achieved the release of Kolozin. The student came to personally thank his benefactor, but on the night after the party at the journalist’s house he was shot dead... As luck would have it, Amalia was present at the reception and unwittingly found herself drawn into this matter. She, more than anyone, is interested in a speedy investigation into the death of a student, so that the investigation does not interfere with her true mission...