After the events described in the last part of the movie dark magician Lord Voldemort is resurrected. For Harry Potter, who has already begun a fifth year of study at Hogwarts, there comes the most difficult time in his life, because now he has to find a way how to permanently end the killer's parents. However, most of the teachers and pupils of the school deny return of most dangerous villain, and pretend that nothing happened. Only family and friends and Harry organized the order of the Phoenix, to protect the young magician and repel the shuttlecock de Mortu. At this time the school begin to hold lectures, which should teach young wizards protective magic, but soon it turns out that, in practice, it's all just useless. Then Harry, Hermione and Ron decide to organize their own courses that students are actually able to confront the dark forces.