Luther 4x2 - Episode 2

On the trail of a horrifying cannibalistic killer, Luther isdogged at every step by ghosts from his past. Isolated and onedge, it takes every fibre of Luther's being to keep ittogether. Can a cold case help unlock a mystery that'stormenting him to distraction?Meanwhile, the serial killer isstill on the loose. Benny's hacking skills have revealed a listof hundreds of potential victims but, with a rapidlyescalating number of crime scenes, Luther must use all hisingenuity to work out where the killer is headed next.Discovering it's all part of a macabre endgame, Luther isforced to put himself and his new colleague Emma into the heartof danger to try and stop the murdering madness.