Harry made a huge mistake when he used magic in his aunt Petunia's house, which is against the school's rules that prohibit the use of magic with the common people. This forced him to leave his aunt's house, and he no longer knew where to go. He also did not know that one of the prisoners of Azkaban had escaped and that this meant that his life was in danger. What will Harry do? ... This is what you will find out when you read the events of this exciting story.