During the siege of Kazan by Ivan the Terrible, the beautiful princess Souioumbiké gives the order to hide her innumerable riches in Lake Kaban. And for 500 years, the fate of this treasure has been unknown.
Kirill, a charming modern Lovelace, discovers the secret of these treasures and sets out to find the treasure. During his quest, Kirill meets a beautiful young girl, Goulia, who is not at all inclined to fall under the spell of our adventurer. But the adventures they have experienced together and the constant danger that pursues them make the young people look at each other differently. Is the treasure alone really the main reward for the risks they have taken?
