Before his death, the jeweler wrote a will in which he mentioned the famous diamond "Abbas Shah." But when the heirs discovered his personal safe, the diamond was not there. Without hesitation, they turned for help to the detective Drongo, who, as everyone knows, is able to unravel the most mysterious thing. The detective immediately established a circle of suspects and began to screen out those who had an iron alibi. But suddenly his list began to decline for a completely different reason - someone began to kill the suspects one by one...
The film is about a day of the 19th-20th century famous tycoons from Baku Agha Musa Naghiyev and Hadji Zeynalabdin Taghiyev.
The movie reflects the ecological environment of Sumgayit. After the collapse of the Soviet power, the old problems of the "new era" still persist. Although it is not mentioned in the movie, the new generation of people living in this city, which is named as Sumgayit, especially near poisonous plants, are born crippled and sick. There is a wide range of symbolic expressions in the film and there are interesting dream scenes.
