Luther season 5: When is the next episode of Luther on? What date is it on and who’s in the cast with Idris Elba? All the details on terrifying new plot

Luther season 5: The dark BBC One drama is back[BBC] Idris Elba was last seen as Luther’s title character back in December 2015 when series 4 of the dark crime drama aired. The fourth season was just two episodes long and saw DCI John Luther team up with new colleague Emma, played by Game Of Thrones’ Rose Leslie. But now the team have returned, with screenwriter Neil Cross revealing that the Luther gang have some “unfinished business” to attend to. Luther …