Having agreed to give a ride to a stranger, Pavel Petrovich could not have imagined that ordinary politeness would turn into a string of problems for him. The culprit is the very same fellow passenger: by a ridiculous accident, she took the wrong folder and, instead of her own—which had some strange list in it—she carried off Pavel Petrovich’s folder, containing important documents for the French embassy. Now, if he doesn’t find the unknown woman in the next few days, he may have to forget the long-awaited trip to Paris. A friend is rescued by the amateur sleuth Nadezhda Lebedeva—especially since her husband has gone on a business trip and won’t be able to interfere with her investigation…