Section 20 are desperate to clear their names. And to do so, they hatch a big and wreckless plan.

The team run into trouble as they race to get Idrisi back across Europe. The surprises keep coming as they learn the truth about Jensen and Project Tenebrae.

Jensen starts to delve into Project Tenebrae, while Mac and Wyatt head to the black site where Idrisi is imprisoned to break him out before Lowry gets to him

It's Section 20 v Jane Lowry in a race to get to Omair Idrisi. It's a mission that hurls comms officer Jensen into extreme danger.

Locked, loaded and set to resume their high-stakes mission, Section 20 are back. And they've got a big problem on their hands.

Section 20 must stop Lowry and Dr Markov from making and unleashing a deadly chemical weapon. In desperate need of intel, Novin infiltrates a drug lord's home.

Things aren't looking good for Mac. He's blown his cover and is now facing certain death. Donovan digs into Zarin's past... and she doesn't like what she learns

As Jane Lowry surfaces in Budapest, Mac and Wyatt are forced to go undercover to infiltrate a dangerous group of white supremacists that has something she needs.

Just as Mac's revenge looks in reach, the team are sent on a life or death mission to extract a devious arms dealer (Trevor Eve) from war-torn Libya.

The hit action drama storms back with a new team, a new enemy and new rules. A dangerous terrorist is on the loose and it's up to Section 20 to find him.