Series 6

01 Episode 1 Episode 120th October 2021 When a prominent and controversial Shetlander is shot dead on their doorstep in broad daylight, Perez rushes back from his mother’s funeral to lead the investigation. 02 Episode 2 Episode 227th October 2021 In the aftermath of the diving incident, the team searches for a link between the two bodies. Meanwhile, Perez must deal with the return of Donna Killick. 03 Episode 3 Episode 33rd November 2021 The hunt is on for Sandy's attacker, before a shocking confession causes tensions to boil over and some Islanders take justice into their own hands. 04 Episode 4 Episode 410th November 2021 After the shocking events of the previous night, Perez must piece together what happened before a rampaging and vengeful Creggan finds his target. 05 Episode 5 Episode 517th November 2021 Facing a dead end in the hunt for Galbraith’s killer, Tosh leads Perez to the remote island of Fetlar. Donna asks Duncan for one last favour. 06 Episode 6 Episode 624th November 2021 As Perez closes in on the identity of Galbraith’s killer, he struggles with Duncan’s secret, while Donna has one more surprise in store.