For hundreds of years, rumors have not subsided about the treasures buried by Captain Flint on one of the islands off the coast of Africa. Every now and then fortune hunters are announced who claim to have reliable information about the captain's treasure, and show cards with a cache place marked on them. Rumor has it that the path to the treasures will open only to a select one who finds the golden double of the famous pirate. Going on a cruise voyage with her husband, Nadezhda had no idea that she would be at the center of the struggle for the key to mythical treasures. She will have to solve the mystery of the pirate treasure at any cost, because her life depends on it...