Episode guide
Shetland: Series 4
6 episodes · premiered Feb 13, 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.
- Episode 1: Episode 1 Feb 13, 2018 · 58m 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.
- Episode 2: Episode 2 Feb 20, 2018 · 57m 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.
- Episode 3: Episode 3 Feb 27, 2018 · 58m 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…
- Episode 4: Episode 4 Mar 6, 2018 · 58m Ignoring Secret Service warnings, Perez and Tosh track down Mathias Soderland. Back on Shetland, a beach memorial service is held for Sally McColl.
- Episode 5: Episode 5 Mar 13, 2018 · 57m 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.
- Episode 6: Episode 6 Mar 20, 2018 · 59m 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…