Daniel, Ruth and Jonah are faced with a difficult decision - do they go to the Glassmakers house or not? Their families, and whole village, have been taken prisoner by some grey soldiers. Who are they and why did they capture their families? Their only option is to go to ask the Glassmaker for his help - but they are not sure he even exists and if he does what about the furnace in his house. In a world made of glass a furnace is the most frightening...