Harry, Ron and Hermione, now teenagers, return for their third year at Hogwarts. There they are forced to face escaped prisoner, Sirius Black, who poses a great threat to Harry. In addition to new experiences, Harry must overcome the threats of Dementors, outsmart a werewolf and finally deal with the truth about Sirius and his relationship with his parents. Harry and friends master advanced magic classes, cross time barriers and change the course...

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 before...