The Harry Potter series premise revolves around an orphaned boy, Harry Potter, who discovers he is a wizard on his eleventh birthday and is invited to Hogwarts School of Witchcraft and Wizardry. He learns about his past, including his parents' death at the hands of the evil Lord Voldemort, and his own survival as a baby. The series follows Harry's journey as he navigates the wizarding world, makes friends like Ron Weasley and Hermione growing threat of Voldemort and his followers.