Cycle "Random bullet" season 4

A private detective Bob Utochkin and his partner Serzh Volkov have a new investigation to conduct. They have to solve another tangle of crimes – they need to make connection with a young promising physicist, citizen of Cambodia and a criminal authority from Siberia; find the documents shedding light on disappearance of so called Kolchak’s gold; prevent the leakage of the results of technical development which are of a great interest to a terrorist group.
As well they have to untangle a succession of mysterious murders of the people who could seem not very much connected with each other, prevent a hostile takeover of emerald diggings, prevent an international mafia from invading a defense plant which specializes on making detail parts for submarines. In the course of events Bob meets his true love – a charming Amazon on a quad bike - Tina.