Shetland

Series 4

TV-PG

100%90%

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.

Where to Watch Series 4

6 Episodes

Episode 1
E1
Episode 1When 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
E2
Episode 2Perez 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
E3
Episode 3Jimmy 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.
Episode 4
E4
Episode 4Jimmy and Tosh learn that Soderlund is an undercover agent working to expose the NDA for the Norwegian secret service, but when they find him his cover has been blown. They return to Shetland for Sally's memorial service where Kate and Thomas's liaison is revealed and he is still a suspect. Another resident, Jo, is found to have been enamoured of Alan, Tosh has an unexpected visitor, and another crime is reported.
Episode 5
E5
Episode 5After crofter Jo Halley is attacked, Jimmy believes it is because she saw Sally talk to a person of interest in the murder case. Whilst two mainland officers arrive and set their sights on Thomas, Tosh has her suspicions about the recently arrived Lars. Meanwhile Jimmy has cause to connect his friend Duncan to Sally's murder, and finds something of interest in an old video.
Episode 6
E6
Episode 6DNA confirms Duncan as Alan Killick's father and possibly a double killer and he is arrested. Then a perusal of Sally's files brings another suspect into the picture, literally - one who had good reason to dispose of Lizzie and who makes a confession of guilt. However Jimmy discovers that this person may not have murdered Sally but still finds both Duncan and himself in a dangerous situation before there is closure.