In Baku in the middle white day French consul Арман Шевалье kills right in front of embassy of Russia. Unprecedented case! The Azerbaijanian and Russian special services are in panic. Is it quickly necessary to find a killer, but where to search him? The local organs of safety know in fact, that Шевалье worked at once on a few external secret services. In addition, Azerbaijan is a sphere of interests of many states : Russia, France, USA, England, Israel, Iran. Maybe, death diplomat is a wonderful subject for the sharp intensifying of contradictions between these countries. Then who is it concrete it is advantageous? The special services of Azerbaijan can not find answers for these questions, and nothing remains them, how to invite famous expert Дронго to investigation.