Ultraviolet - Season 1 Episode 1 Habeas Corpus

Police Detective Sergeant Michael Colefield has his life thrown into disarray when he finds out that his best friend, Jack, has disappeared the night before his wedding and another Police Officer, Pollard, has been murdered. While investigating the murder of Pollard and his friend's disappearance Detective Sergeant Colefield is grilled by two members from a secretive group posing as CIB (internal affairs) officers but they are not. Colefield eventually discovers the world of Vampires and is caught in the web.