Gemma Jones

The second episode of this two parter finds the kingdom on the brink of collapse and Morgana poised to strike. As Lancelot (Santiago Cabrera) races back to Camelot with the dying Merlin, Arthur must continue on his mission to vanquish the Dorocha without them. Though the Knights know their journey to the Isle of the Blessed is fraught with danger, none could anticipate the sacrifice Arthur intends to make there. Friendship and loyalty are tested to the limit, but in the end, it's the power of love that changes all their lives forever…

Merlin faces his toughest challenge yet when Morgana's blinkered determination threatens not only Arthur's future, but the very balance of the world. With her magic stronger than ever, the sorceress summons the mighty Callieach (Gemma Jones) to tear open the veil between the worlds. Hellish creatures pour forth, killing any who succumb to their touch. With Uther a shadow of his former self, it falls to Arthur and his loyal Knights, including Lancelot (Santiago Cabrera) to protect the kingdom. But it will take more than just swords to vanquish their enemy and Merlin is shocked to the core when he discovers the only way to restore the equilibrium requires a sacrifice of unimaginable proportions…

With Britain on the verge of financial meltdown, Section D must recover over £1 billion from one of the world’s most impenetrable banks, or the country will slide into depression. The team needs vital account information from one of the bank’s employees, but has no idea where he is, and a team of deadly assassins is out to silence him. Will Section D get to its asset in time to pull Britain back from the brink?

Section D is caught on the back foot when two CIA agents are found dead. As the team tries to make sense of the murders, more officers are killed. MI5 is placed on high alert, but Ros insists on putting herself in the firing line in order to draw out the killer. Will the risk pay off, or will Ros become another victim? Meanwhile, Ros’s mentor raises questions about Harry’s past, and Ruth makes a shocking discovery.

When Section D discovers that a group of Hindu nationalists is planning an attack on the Muslim community, the race is on to find out when and where. Their only asset is a scared teenage boy who cannot handle the pressure, and Lucas has his work cut out trying to keep him on-side. Meanwhile, the team makes a shocking discovery about Nightingale and a horrifying realisation dawns on them.

With India and Pakistan on the brink of war, emergency talks are set up in an exclusive London hotel. Section D faces its biggest challenge yet, as the team tries to avert the first nuclear confrontation since World War II. When the Indian delegation abandons the talks, it looks like Nightingale’s sinister plan will succeed. Lucas and Ros place themselves in grave danger in a final attempt to defeat Nightingale. But will they make it out of the hotel alive?

Lucas’s past comes back to haunt him when his former torturer, Darshavin, turns up with intelligence about a bomb in London. Harry fears Darshavin still has a psychological hold over Lucas, but Darshavin will not deal with anyone else. With innocent lives at risk, Lucas must confront his demons for the sake of the nation. Can he overcome his Nemesis in order to save the day, or will the pressure be too much to bear?

The pressure is on for Section D when a secret meeting of powerful tycoons is stormed by armed terrorists and eight of world’s richest men are taken captive. But this is no normal hostage situation. Undercover at the time, Ros is one the hostages. As events spiral out of control, it looks like no one will make it out alive. Is this the end of the road for Ros?

The country reaches crisis point when energy supplies are threatened by an explosion at a gasprocessing plant. With reserves on the verge of running out, Britain is forced to turn to Tazbekstan for help. But in return for energy, the Tazbek Trade and Industry Secretary, Urazov, wants carte blanche to wipe out his enemies on British soil. Is this a price worth paying, or can Section D get rid of Urazov in order to secure the deal?

Harry is still missing and there is one question on everyone’s mind: is he dead or alive? Section D discovers that Harry thwarted a clandestine operation to smuggle weapons-grade uranium into Iraq to justify the war. Now the rogue officers who masterminded the operation want their uranium back and they are prepared to go to any lengths to get it. If Harry is not dead already, is it too late to save him?

With the Russians launching a nuclear strike on London, the only person who can help the team in this desperate hour is the traitor amongst them. With the Russians hunting them down, the team usher their traitor through London in a desperate bid to reach the codes, and the bomb, in time.

Harry is imprisoned and accused by MI5 of being the Russian mole. Lucas disappears to Moscow in a bid to gather intelligence and get to the bottom of Harry's arrest, whilst the rest of the team try to prove his innocence on the Grid. But with so much evidence against him and a traitor among the team, things aren't looking good for Harry.