Lia lives with her mother, her father and her brother, Jay. Her grandmother lives with them too. Lia´s grandmother is old and sick.  \"Please, go to the well,\" says Grandmother. \"Bring me some water in the bucket.\"  But the journey to the wall is dangerous. There is a volcano. There is smoke and fire. Soldiers are guarding the roads.  Why does Grandmother want water from the well? And what will Lia and Jay find there?