Stone.

Once upon a time, two fine young men, Vladimir and Anatoly, met on the Moscow highway. They decided to veer off their path to behold the beauties of Russian countryside. There, they encountered two lovely maidens with a white dove in their hands. The girls invited them into their chamber, a wooden manor standing at the forest's edge in a deserted village called Pustoshka, where that very house was the only one left. They set the table and began to wine and dine their gallant guests. But before the young men could even brush off the road dust or take a sip of the magical nectar from their cups, there showed up a grandpa, the master of that house. And he asked the brave fellows to go and help him find a stone…