Luther season 4, episodes 1 and 2 airs tonight on BBC America.
Season 4 begins with Luther on a leave of absence from the police force, but he soon returns to work when a cannibalistic serial killer strikes London.
Psychological crime drama centered on a brilliant but self-destructive detective, who has more in common with the criminals he hunts than he would like to think.
Luther season 4, episodes 1 and 2 airs Dec. 17 at 9 pm EDT on BBC America.
