In a quiet Russian town, colloquially called the outback, an old fisherman was killed. During the investigation, it turns out that the murdered man is a KGB general and served in Estonia before the war. Police captain Sergei Slesarev, skillfully unwinding the case of the murder of a general, gets to the bottom of amazing facts... It turns out that in their city all this time a highly classified research complex has existed and is successfully operating, created for the purpose of a detailed study of an unidentified flying object, shot down in the sky sixty years ago Estonia. At the risk of his life, the captain continues his amazing investigation. But with the arrival in the city of the Estonian Heiti Karutara, an investigator of the internal investigations department of the Security Police, supposedly to exchange experience, the situation sharply escalates and requires all interested parties to act to the limit of their capabilities, or even beyond them...