Our days. Investigator Orest Volin receives an order to investigate a murder case in the Moscow Bulgakov Museum. A museum employee came to work in the morning and found a dead body with a knife in the back. But then the body disappeared without a trace. Was the crime real? Or is this someone’s evil joke? Meanwhile, Orest Volin receives news that the encrypted diaries of court adviser Zagorsky, which he discovered during a previous case, are in fact the previously unpublished diary of Mikhail Bulgakov, describing the events of 1918–1921... And how does this relate to the murder at the Bulgakov Museum? Read the continuation of the ANONYMOUS project and make your own guesses about who is hiding behind the pseudonym.