Shetland returns for a new thrilling six-part tale with Douglas Henshall reprising his role as DI Jimmy Perez alongside series favourites Alison O’Donnell, Steven Robertson, Mark Bonnar, Erin Armstrong, Anne Kidd and Lewis Howden. 　　Series 6 centres on the doorstep murder of a prominent local figure, a case which strikes at the heart of the Shetland Isles and its people. As Perez..