Treasures of the French crown, or adjutants of good luck

Polina Serova unexpectedly became a secret agent of the Russian emperor! In the company of officer Alexei Kaverin, she arrived in Paris, about to fulfill her first task - to get secret documents that are extremely important for Russia. He and Alexei appeared on the masquerade ball in the mansion, where the box with documents was hidden, but they found another instead of it, with some old letters ... so as not to store evidence, Alexey got rid of the unnecessary box, but soon it turned out-the path was indicated in these letters To the treasures of the French crown that King Louis Filipp himself is looking for! Now Polina and Alexei will have to look for what they threw so recklessly. And none other than the most famous detective of all time will help them - Vidok!