Secret Diary of Mikhail Bulgakov

Our days. Investigator Orest Vololin receives an order to investigate the case of the murder in the Moscow Museum of Bulgakov. A museum’s employee, having come to work in the morning, found a dead body with a knife in the back. But then the body disappeared without a trace. Was there a real crime? Or is it someone’s evil draw?
Meanwhile, Orest Volin receives the news that the encrypted diaries of Zagorsky’s court adviser, which he discovered during the previous case, in fact-the previously not published diary of Mikhail Bulgakov, describing the events of 1918 –1921 ... And how is this due to the murder in the Bulgakov Museum?
Read the continuation of the anonym project and build your own guesses who is hiding behind the pseudonym