Sovereign Peter Alekseevich ordered the creation of a “renteria” - a repository of imperial treasures. And at its head he put the Dutch jeweler Gustav Vierlefanz, whom he greatly respected. It was not for nothing that they prophesied to Gustav that this would do him and his descendants no good. And so it happened! Gustav paid a heavy price...

And in the troubled year of 1917, between February and October, Michel Firfantsev, an officer of the former Police Department, rushes about, hoping to find the lost sovereign jewels. But little happens - either they almost kill him, then they put him in prison, or they put him against the wall...

And these days it’s the same story. Michel-Gerhard-von-Stoltz, aka Mishka Shutov, got into serious trouble. He was looking for a necklace made of “renteria” while fulfilling a government assignment, and he was unexpectedly attacked. It's so cool, at least hang yourself. However, there is a way out - we must win! As before, this is a serious matter, a matter that lasts three hundred years...