Nicholas Nunn

The newly recruited members of the SAS carry out a disastrous and devastating first mission. Determined to prove their strategy will work, they prepare to try again.

While recovering in hospital, Stirling ruminates on Lewes’s idea to attack the enemy from behind and hatches a plan to get approval for their unit from General Auchinleck at GHQ.

Perez issues a warrant for Connor’s arrest and looks for the motive behind his bomb-making. Sandy tries to find out what business William Rodgers had in Shetland.

Struggling single mother Orla finds herself in a desperate situation after being sent to Carlingford prison. There, she meets Kelsey, a young heroin addict, and Abi, a tough lifer.

DI Perez investigates the disappearance of a vulnerable young man, whose family are new to Shetland. Has whatever they are running from come back to haunt them?

After Amalia’s origin story is revealed, a long-awaited reunion crystallizes the Orphans’ mission.