Pavel and Natalya did not know each other, although they had been successfully working in the same field for a long time. They worked only with the...

After the unsuccessful attempt on the life of Baron Wrangel and the death of an intelligence agent, a new cunning plan is being developed to...

At the end of the 19th century, a series of mysterious murders occur in the provincial city of N. Metropolitan investigator Goremykin arrives at the...