Harry Potter And The Order Of The Phoenix 2007 After a strange dream about a black door, Harry Potter immediately comes and asked Sirius Black with the hope that there is at least someone who can give him a clue. It happens almost every night along with its secrets revealed even more. Very soon, his dreams have been under controlled by the generational Dark Lord – Voldemort. Surrendering and becoming his henchman or returning to dust depends on Harry Potter.