The Vanished Horn of the Minotaur

According to legend, the hero Theseus defeated the Minotaur and presented as proof a remarkable trophy – a huge horn that preserved the monster's venom. In modern times, a famous businessman dies in a restaurant after drinking wine from the enormous horn. The talented investigator Ksenia takes on the case. During the investigation, she realizes that the business was not as transparent as it seemed, and the trail leads to mysterious Africa. But how is all this connected to another death – the murder of the restaurant owner?