First instalment of the fantasy adventure series based on the novel by J.K. Rowling. On his eleventh birthday, orphan Harry Potter (Daniel Radcliffe) discovers that he is a wizard when he receives a letter of acceptance into Hogwarts School of Witchcraft and Wizardry. Newly enrolled at Hogwarts, Harry is introduced to the wizarding world and learns the truth about his famous past before meeting fellow first-years Hermione Granger (Emma Watson) and Ron Weasley (Rupert Grint). The three friends have a surprise encounter with a three-headed dog guarding a secret trapdoor and begin to suspect that something important might be hidden beneath the school. When they investigate it leads to an encounter with the evil wizard Voldemort (Ian Hart). Will Harry be able to keep up with his studies, lead his team to victory in the school sport Quidditch and still triumph over Voldemort?