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The series follows John Porter, a former British Special Forces soldier, who is drafted back into service by Section 20, a fictional branch of the Secret Intelligence Service.
Section 20 are thrown back into combat when a rescue mission unleashes a conspiracy. Series eight of the action-chocked Sky original.
A double cross turns an already dangerous mission deadly as Section 20 board an enemy-packed train to stop the bioweapon's sale.
The team run into an old ally as they're thrown headlong into a dangerous race to stop the cyberweapon falling into Jihadist hands.
Novin is in danger, but saving their soldier isn't Section 20's only mission. The enemy is closing in on the cyberweapon. Fast.
The team race to stop Zayef from terrorist attack that could kill thousands. For Mac, the mission has never been more personal.
Mac's life outside of the army might seem happy, but the emotional strain of what happened in Munich starts to take a heavy toll.
Section 20 are sent on a military mission to Bosnia to grab a jihadi financier who could lead them to Zayef Hajdari.
Section 20 successfully destroys the Albanian Mafia's weapons stash, but can they get the truth out of Zayef before it's too late?
CIA agent Carolyn Fortier convinces Section 20 to bring in their soldier alive, but the mission goes wrong when Russian forces arrive.
It's never been more personal. Section 20 embark on their final-ever mission as they fight to stop Arianna Demachi's plans in Europe.
