As Ivan the Terrible’s armies lay siege to the city of Kazan, beautiful Queen Söyembikä orders her troops to hide her immeasurable riches at the bottom of Lake Kaban. For the next 500 years, the fate of the treasure remained unknown... until a charming modern-day Lothario named Cyril discovers its secret and embarks on a hunt for the precious fortune. On his way to riches, Cyril meets aloof beauty Gulnara, who has no intentions of falling for the charming plunderer. But their adventures together, and the constant danger that pursues them, force the two to see each other in a new light. They will be rewarded for their bravery – but will the treasure be their biggest reward?