About the book: year / A strong storm in the Kerch Strait detained Natasha Navitskaya and Efim Kogan in Dzhamet. But instead of waiting for the ferry service to Crimea to resume, Natasha immediately finds a new detective mystery. And what a one! One of her fellow sufferers is found murdered on the beach. And one of the suspects is Efim, who had a big fight with the victim the day before. But this is nonsense! Natasha does everything to save Efim's good name. And Kogan finds in this murder a connection with the case of the theft of a Scythian diadem, which he and his colleagues are conducting in the Crimea... And it seems that the criminal is already alarmed and has his eyes on Navitskaya and Kogan!