Harry Potter and the Prisoner of Azkaban was a 2001 film directed by JJ Karlange, adapted from JK Rowling's novel series of the same name. The following is the main plot of the movie: The story takes place in 1981. Harry Potter is studying at Hogwarts School of Witchcraft and Wizardry, but he soon discovers that the school has undergone mysterious changes. An evil dark wizard, Lord Voldemort, rules the wizarding world. His goal is to destroy Hogwarts and kill all the wizards he thinks support him. Harry and his friends began their journey to find Voldemort. On their journey, Harry and his friends encountered many difficulties and dangers, including fighting Voldemort and his followers and their attempts to prevent Voldemort from releasing his prisoners from prison. Harry eventually defeated Voldemort and saved the wizarding world, but he also lost his best friend Ron. The film tells a story full of magic and adventure, while also revealing the different cultures and values between wizards and Muggles.