City key on the hill

According to legend, the Cossack chieftain Stepan Razin over the years of riots and rebellions has launched a lot of different goodnesses. Semicone stones, gold coins, expensive weapons, produced with blood, were hidden by him in the caches, but not simple, but conspired, three Christian heads enchanted. Anyone who is the first to find the treasure and removes the slander will receive fierce death. Anyone who is second to come for a treasure and solve the secrets of secrets will die in terrible torment. And only the third darer will open this treasure ...
Nowadays, Professor-historian Gleb Nikolaevich Speransky, shortly before his death, handed over his best student Ivetta Sycheva"s notebook of descendant of Stepan Razin with an encrypted text. Will Ivetta be able to reveal the secret of a myriad of Razin wealth?