«Экстренный вызов» is a screen adaptation of the works by A. Rogov. The film consists of 16 episodes, 4 episodes for each work ("Superfluous Witness", "Doctor Death", "Missing Patient" and "Deadly Diagnosis"). The main character is a doctor at a prestigious private clinic, Vladimir Ladygin. One day, he provides assistance to a victim of a gunshot wound. He extracts a strange plastic capsule from the wounded man's throat, which he decides to keep for now. Two large companies are hunting for the information contained in this capsule. The doctor, who turns out to be an unnecessary witness, is involuntarily drawn into this showdown. Ladygin has no choice but to start his own investigation, which may cost him his life. The detective story is filmed very excitingly and will appeal to fans of the genre.