Harry returns for his fifth year at Hogwarts to find the wizarding world in denial about Lord Voldemort's return. Facing a smear campaign and a cruel, Ministry-appointed professor, Harry secretly trains a group of students to fight the dark arts.Key Plot PointsThe Ministry's Denial: The Ministry of Magic, led by Cornelius Fudge, refuses to believe Voldemort is back and brands Harry and Dumbledore as liars.Umbridge's Reign: Dolores Umbridge is appointed as the new Defense Against the Dark Arts teacher. When she bans the use of practical magic, Hermione and Ron convince Harry to start "Dumbledore's Army" (DA).Dumbledore's Army: Harry secretly trains a select group of students to defend themselves and prepare for the looming war.The Order of the Phoenix: Dumbledore revives the Order of the Phoenix, a secret society dedicated to fighting Voldemort.The Prophecy: Harry has visions leading him and his friends to the Ministry of Magic's Department of Mysteries, where they uncover a prophecy linking Harry and Voldemort.The Climax: The DA battles Death Eaters in the Ministry, culminating in a tragic loss for Harry and a spectacular magical duel between Dumbledore and Voldemort.