The Possession of David O'Reilly: Newly single and looking for a place to nurse his emotional wounds, dejected Londoner David O'Reilly (Giles Alderson) realizes that dark forces are following his every move while temporarily living in the apartment of an old friend. And though David refuses to talk about the strange visions and foreboding feelings that he's been experiencing in the last few days, his friends will soon find out that he has every right to be afraid