Harry Potter is in his third year of Hogwarts school and is eager to get the year going. However, Harry soon finds out that the feared criminal Sirius Black has escaped from the prison of Azkaban, and that he‘s after Harry. In response to this threat, Hogwarts brings in prison guards from Azkaban. These guards are known as dementors, and they cause Harry a lot of trouble. The year progresses, and eventually the guilt of Sirius Black is questioned.

Harry is a young wizard going for his second year at Hogwarts School of Wizardry. His school year starts with a near death incident when Harry and Ron try to fly an invisible car to Hogwarts. After a little while, the whole school comes to the realization that the chamber of secrets has been opened, an ancient chamber found deep in the school. Harry then has to fight for his life against Voldemort and his evil serpent .