"Harry Potter and the Prisoner of Azkaban" is the third installment in the beloved Harry Potter film series, based on the bestselling novel by J.K. Rowling. The movie follows Harry Potter's (Daniel Radcliffe) third year at Hogwarts School of Witchcraft and Wizardry, where he learns that a notorious wizard named Sirius Black (Gary Oldman) has escaped from Azkaban Prison. Believing Black is out to kill him, Harry must navigate the challenges of adolescence, friendships, and the dark forces that threaten the wizarding world.