What could be more harmless than a regular walk through the city with a guide? Nelly Yanovskaya, the tour guide, was certain of that—until, after one of her fascinating tours, they found the body of a well-known TV host.
A week later, a new murder took place. This time, a staff member of the capital’s department was killed. It became clear: the culprit was somewhere nearby—among the motley group of sightseeing guests.
But which of them is a serial killer? Nelly must uncover the truth, and very soon she realizes that the solution is far more complicated than it seemed at the very beginning.