4/4 Luther can no longer keep his troubles out of the case, as a macabre masterpiece unfolds.
3/4 Can Luther protect the innocent while preventing Cornelius's revenge from consuming him?
2/4 As Luther faces demons from his past, Halliday gets closer to the truth behind the killer.
1/4 Luther returns to hunt a seemingly faceless killer stalking the streets of London.
2/2 On the trail of a horrifying killer, Luther finds himself haunted by ghosts from his past.
1/2 Luther is pulled back to duty to investigate the crimes of a gruesome killer.
4/4 Luther must work outside the law to stop the vigilante killer from becoming a martyr.
3/4 Luther must confront his demons when a vigilante killer embarks on a crusade.
2/4 Luther trawls through cold case files, determined to predict the killer's next move.
1/4 Luther investigates two horrific cases, unaware his every step is under scrutiny.