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Series 4

6 episodes · 13th February 2018

A convicted killer's return to Shetland after 23 years in jail coincides with the murder of a local journalist and Perez and his team must investigate both cases.

Season details

Details

Episode guide

Episodes

01 Episode 1 still Episode 1 Episode 113th February 2018 When Thomas Malone has his murder conviction overturned after 23 years behind bars, DI Perez has to reopen the investigation into the 1994 death of local teenager Lizzie Kilmuir. 02 Episode 2 still Episode 2 Episode 220th February 2018 Perez is on the trail of an attacker, Tosh investigates an oil company in the hunt for Sally's killer, and DNA testing in the Kilmuir case yields a surprising result. 03 Episode 3 still Episode 3 Episode 327th February 2018 Jimmy questions Donna about the shocking DNA results, Alison arrives in Norway in search of Andreas Hagan, and an unexpected twist leads Perez and Tosh into the murky world of the Norwegian far right. 04 Episode 4 still Episode 4 Episode 46th March 2018 Ignoring Secret Service warnings, Perez and Tosh track down Mathias Soderland. Back on Shetland, a beach memorial service is held for Sally McColl. 05 Episode 5 still Episode 5 Episode 513th March 2018 Perez must re-assess the investigation in the aftermath of the attack. The MIT arrives on Shetland and sets its sights on Malone. Meanwhile, Tosh begins to have doubts about Lars. 06 Episode 6 still Episode 6 Episode 620th March 2018 Season Finale - Troubled by historical DNA evidence results, Jimmy has to face the fact that Duncan may have been involved in Lizzie Kilmuir's murder, and potentially Sally McColl's as well. A shocked Duncan is brought to the station for questioning, hurt that Perez would even think him capable of murder. However, the detective knows Duncan's lying - perhaps not about the murder, but about something else significant. So when Duncan finally admits he had an affair with Donna, it's not long before a bombshell is dropped.
Talent

Cast & Crew

01 Ashley Jensen profile Ashley Jensenas DI Ruth Calder 02 Alison O'Donnell profile Alison O'Donnellas DI Alison 'Tosh' McIntosh 03 Steven Robertson profile Steven Robertsonas DC Sandy Wilson 04 Lewis Howden profile Lewis Howdenas Sgt Billy McCabe
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