Harry Potter, along with his best friends, Ron and Hermione, is about to start his third year at Hogwarts School of Witchcraft and Wizardry. Harry can`t wait to get back to school after the summer holidays. But when Harry gets to Hogwarts, the atmosphere is tense. There`s an escaped mass on the loos, and the sinister prison guards of Azkaban have been called in to guard the school...