The detective agency “Niro” is once again investigating a very mysterious crime. After talking with the ghost of a deceased son, the agency client, Zoya Vyazemskaya, dies from shock.
The owner of “Niro,” Eleonora, is absolutely sure there was no ghost—and that Zoya was murdered in this kind of elaborate way. But investigating the whole mess will be up to no one else than Ivan Pavlovich Podushkin—Eleonora’s longtime secretary and assistant. And everything would be fine, except that Van’s mother, Nikolette, orders him to immediately buy her exotic rejuvenating beetles…