Donna confesses to killing Lizzie, who had threatened to tell her abusive husband about the affair with Duncan. Pérez must apprehend the suspect before crowds descend for Up Helly Aa, the biggest fire festival in Europe. Plus the landscapes and the atmosphere, which are enthralling and make you yearn for the place even if you've never been there. But Soderland is their prime suspect for the murder of Sally McColl and they're not going to be bullied into walking away.

Perez is on the trail of the attacker and Tosh investigates an oil company in the hunt for Sally’s killer. Pérez and the team are determined to track down the person who aided Michael Thompson's killer, but as the case gathers pace, the officers involved find they are all under threat. Here we have Jimmy Perez, which is so well performed and written that you simply fall for him and his humanity, though the cases often portray damaged people or bitter crimes. They find Ellen was hiding at a holiday home run by a friend, Rosemary, but she gives them the slip.As the investigation reaches its final stages, Detective Inspector Perez and his team discover the person responsible for the deaths of Robbie Morton and Michael Thompson is closer to home than any of them thought. After Lynn dies in the hospital, Darren admits that MarieAnne died after taking drugs Galbraith and Niven supplied and they buried her body the next morning. Pérez finds the petrol bombing was carried out by a group of Merran's friends, just as Logan arrives at the beach and begins to attack her. At first it appears he threw himself from the cliff, but the autopsy finds he was tortured before being murdered the same way Bryd was.

The DI turns his attention to Finlay Caulfield regarding the photos of Anna on his camera, and while it becomes clear he was obsessed with her, it may not be enough to charge the stalker with her murder. Curtis is captured and admits to the break-in at the Galbraith house, but neither he nor Lynda seem to have anything to do with Galbraith's death. The victim is determined to be Daniel Ugara who was in Shetland to find his sister Zezi, both originally from Nigeria. The two hitmen, Howells and Nowak, track Ellen down and an altercation sees Nowak accidentally shoot himself. Ally Fleet, whose family lost their fishing business in the Braer disaster, aims his boat at an oil tanker heading for the terminal but veers away at the last minute.

He then discovers Alice’s husband Chris had accrued debts which meant he was blackmailed into people trafficking. This series features three two-part stories based on Cleeves' novels Raven Black, Dead Water, and Blue Lightning. The team focuses on two cases of Galbraith's: his defence of Donna Killick, who is getting compassionate release from prison, and a custody battle involving Lynda Morton, a local drug addict.

Kate's daughter Molly stole and destroyed Gauldie's drone, fearing the footage might implicate her mother. An elderly Shetlander named Mima Wilson is found murdered on the archaeological site on the grounds of her croft.Members of the Hayes family, who were suspected of involvement in Daniel's murder, are found dead in their home. It is not a fast-action show, but very thrilling with a brilliant management of suspense, the whole who-dunnit thing and the gradual unveiling of the truth shared by the team. However his dream of creating a safe haven is threatened when an elderly woman is found dead near the site of an archaeological dig.