On the trail of a horrifying cannibalistic killer, Luther is dogged at every step by ghosts from his past. Isolated and on edge, it takes every fibre of Luther's being to keep it together. Can a cold case help unlock a mystery that's tormenting him to distraction? Meanwhile, the serial killer is still on the loose. Benny's hacking skills have revealed a list of hundreds of potential victims but, with a rapidly escalating number of crime scenes, Luther must use all his ingenuity to work out where the killer is headed next. Discovering it's all part of a macabre endgame, Luther is forced to put himself and his new colleague Emma into the heart of danger to try and stop the murdering madness. false 2017-10-04 05:29:16 Sam Miller 8 2015 tt4235464 5420733 58 Crime Drama Mystery https://www.thetvdb.com/banners/episodes/159591/5420733.jpg 2 4 2015-12-22