A new doctor from Moscow arrives at a provincial mental institution. His interest is the peculiarities of the psyche of a patient who believes that he is Yakov Yurovsky, the man who assassinated the last Russian tsar. In the course of their conversations it transpires that the patient is a kind of philosopher, not without a gift for suggestion. In a while the doctor himself falls under his patient’s influence: he tends to relive that fatal night of June 16-17, 1918 when, without any investigation or trial, Tsar Nicholas II, who had recently abdicated, was murdered, together with his wife, daughters and incurably ill heir. Soon the doctor realizes that the tragedy of the last Russian tsar is in part his own tragedy, too...

A story of an actor named Oleg whose wife has been seduced by his neighbor. As he is thoroughly convinced of her infidelity, he would like to poison her. An old man named Prokhorov helps him to get rid of his wife by lecturing about famous deaths caused by poisoning. It is from Prokhorov we learn that many famous and not so famous like Cesare Borgia and Caligula were killed as they were poisoned.