Harry Potter and the Prisoner of Azkaban

Harry Potter returns to Hogwarts School of Witchcraft and Wizardry with Ron and Hermione for their third year of study. But the new term is shadowed by danger when Sirius Black, a dangerous wizard, escapes from Azkaban Prison and heads toward Hogwarts. As the threat closes in, Harry and his friends are drawn into the mystery surrounding the escaped prisoner and the danger he poses.