Harry Potter is mysteriously selected to compete in the prestigious Triwizard Tournament. Meanwhile, supporters of the evil Lord Voldemort send out a shockwave of fear when their Dark Mark scorches the sky, signaling Voldemort's return to power.

Part 1 begins as Harry, Ron, and Hermione set out on their perilous mission to track down and destroy the secret to Voldemort's immortality and destruction - the Horcruxes. On their own, without the guidance of their professors or the protection of Professor Dumbledore, the three friends must now rely on one another more than ever. But there are dark forces in their midst that threaten to tear them apart. Harry's only hope is to find the Horcruxes...

An orphaned child that has spent the first ten years of his life living under the stairs of his aunt and uncle's house is invited to join the Hogwarts School of Witchcraft and Wizardry. He learns his destiny lies in the realm of magic and fantasy. Includes the theatrical and extended versions.

Year three at Hogwarts means new fun and challenges as Harry learns the delicate art of approaching a Hippogriff, transforming shape-shifting Boggarts into hilarity and even turning back time. But the term also brings danger: soul-sucking Dementors hover over the school, an ally of the accursed He-Who-Cannot-Be-Named lurks within the castle walls, and fearsome wizard Sirius Black escapes Azkaban.