Luther's back. Pitted against his most chilling adversary yet, haunted by the ghosts of his past and hell-bent on retribution, he's drawn into a terrifyingly complex case that pushes him closer to the edge than he's ever been.

Luther returns to investigate a twisted fetishist who is murdering women in a horrific echo of an unsolved case from the 1980s. The team must put all their resources into finding the copycat killer, whose murderous spree has only just begun.