Episode 1

Bomb disposal officers Lana Washington and Joel Nutkins are called out to a Met counter-terrorism operation at a London housing estate to investigate a potential bomb factory and suspected bomb-maker Andy Phelan.

Episode 2

As the bombing campaign intensifies, so do inter-community tensions as the far-right group English Flag take to the streets to blame Islamists for the attack.

Episode 3

A far-right group called the Crusaders claim responsibility for the mosque attack. Lana finds a forensic link between the bomb at the mosque and the one at Westhaven - were they both bombed by the same person?

Episode 4

Following the murder of a Counter Terrorism officer, Lana Washington and the EXPO team race against time to stop the bombers before they strike again.

Episode 5

Lana struggles to come to terms with her personal loss, and her failure to prevent the explosion. Meanwhile, Counter Terrorism officers identify the bomber and launch a massive manhunt.

Episode 6

The EXPO team are stretched to breaking point dealing with a complicated device planted at the Campaign HQ of the Progressive Alliance. Lana tells Karl she wants to break up.

Episode 1

Expo Lana Washington is giving a routine talk, having just returned from secondment, when an explosion rocks the heart of the city. But is she ready to return to active duty?

Episode 2

The police launch an investigation to find the bombers, whose skill and sophistication keeps them one step ahead. Under pressure to get results, Helen makes a breakthrough.

Episode 3

As the team mourns Thom's death, a new lead emerges - an informant, promising intelligence on the terror cell. Meanwhile a journalist is sent a suspicious package.

Episode 4

Alex contacts the police with critical information about a new attack planned for that day, but Commander Francis warns the team against placing too much trust in him.

Episode 5

Lana breaks protocol to try to help Alex, knowing he has nobody else to turn to. Then the team makes a shock discovery about the terror cell they’re tracking down.

Episode 6

Lana is faced with an impossible decision when she is kidnapped by the terror cell. A choice between her duty and saving those who matter the most to her.

Episode 1

Lana and her team are called in to investigate a London black cab that has been abandoned in a wasteland - and soon realise that something more sinister is going on.

Episode 2

Counter Terrorism Police work to establish a link between the victims of the incidents, but a well-meaning intervention backfires and leaves the unit at a loss.

Episode 3

Counter Terrorism Command learn more about the recent murders with the help of Lana, but their progress doesn't go unnoticed by the bomber as their campaign deepens.

Episode 4

All hope looks lost for the remaining missing person until a new lead emerges - with Lana now known to the bomber, she must work harder than ever to avoid his traps.

Episode 5

The bomber's next target is symbolic of their whole campaign as Lana, who is rushing against the clock, must find the bomb in a search held amidst pandemonium.

Episode 6

After one last attack, Lana faces a reckoning when she uncovers the truth behind the campaign as the confession so desperately fought for finally comes.