Igor Illarionov, a local historian and a fighter for the local museum, was found dead in his house. In recent years, he communicated only with his neighbor Zyama, and, according to him, Igor was obsessed with the idea of ​ ​ finding some kind of treasure. About where this treasure is hidden, allegedly can be read in the diary of his great-grandmother - the famous fraudster Olga von Shane. All her life she robbed influential people and put their jewelry in a large wooden box, which she had safely hidden somewhere shortly before her death...