The characters of the series have to deal with stolen diamonds. There are many ways to find buyers to sell stolen jewelry. The characters choose not the most obvious of them — they want to organize a workshop in a remote province for cutting diamonds, and then sell them to buyers at triple prices. But a mysterious man named Thunder interferes with these plans. Little is known about him, except that he went through fire, water, and copper pipes and managed to negotiate with death itself. What is true and what is false will have to be found out by everyone involved in the stolen jewelry case.