Luther: Season 4 - 2 Episode s
4x1 - Episode 1
December 15, 2015
Away from the police force, Luther receives a visit from Detective Chief Inspector Theo Bloom and Detective Sergeant Emma Lane. They bring him some new evidence that will draw him back to London to find the truth. The team tracks a cannibalistic serial killer.
4x2 - Episode 2
December 22, 2015
On the trail of a horrifying killer, Luther finds himself haunted by ghosts from his past.