MI-5

The team are pushed to the limit as the country is plunged into chaos.

The coup plotters decide to up the stakes in their battle with MI5.

Zaf goes deep undercover, risking his life to infiltrate an Al-Qaeda cell.

When the UK hosts the World Trade Summit for Africa, the team are posted undercover.

The government releases its report on the Cotterdam Seven. Harry senses a whitewash.

Adam and Zaf hunt a team of terrorists who have infiltrated Britain.

Ros is trapped in the Saudi siege, forced to watch hourly assassinations.

Drama series. A Muslim cleric advocating violence in the West is murdered by a Christian.

When MI5 are tasked to protect a high profile witness in a war crimes trial, a former traitor reappears and asks Adam to trust him.

Eco-terrorists plan to flood London unless documents are published which reveal the government's environmental policy is a sham.