Harry grows up, and living in Hogwarts becomes even scarier. A dangerous criminal has escaped from the wizard prison Azkaban—Sirius Black. Rumors spread that he’s looking for and wants to kill one thirteen-year-old boy, quite ordinary at first glance. His name is Harry Potter.
The guards of Azkaban have heard more than once how Black muttered in his sleep: “He’s in Hogwarts… he’s in Hogwarts.” So now Harry Potter is in danger—even within his magical school, even surrounded by his friends.