Harry, Ron and Hermione return to Hogwarts for their third year. Harry comes face to face with danger yet again, this time in the form of escaped convict, Sirius Black—and turns to sympathetic Professor Lupin for help.
Harry starts his fourth year at Hogwarts, competes in the treacherous Triwizard Tournament and faces the evil Lord Voldemort. Ron and Hermione help Harry manage the pressure – but Voldemort lurks, awaiting his chance to destroy Harry and all that he stands for.
In 2257, a taxi driver is unintentionally given the task of saving a young girl who is part of the key that will ensure the survival of humanity.