It is the last summer of the nineteenth century. Beyond the mighty mountains of the Caucasus, lives a six-year-old boy called Isak. Like all other boys in the world, he has a lot of wishes – about as many as the shepherd Agasi has sheep in his herd. If every wish could be put in a box and the boxes were placed on top of one another, they would make a mountain. One almost as tall as the mountain above Isak’s village with the ruined castle on its peak! The castle and the network of subterranean passageways below conceal many secrets.
