Welcome back to Scotland's breathtakingly beautiful Shetland Islands, where DI Jimmy Perez (Douglas Henshall) and his bright young DS, "Tosh" MacIntosh (Alison O'Donnell) face a disturbing investigation after a severed human hand washes up on a beach. Inspired by the novels of Ann Cleeves. 6 episodes, 6 hours, 2 DVDs. SDH.