S5 E1 • Episode 1

The government introduces draconian emergency measures in response to a series of terrorist attacks. MI5 fear that influential establishment figures are behind the attacks and may be planning a coup.

Première diffusion : 17 septembre 2006

S5 E2 • Episode 2

MI5 has foiled an attempt to murder the Home Secretary, but the plotters use the new emergency powers to imprison Harry. The team must try to frustrate the coup before Harry is executed.

Première diffusion : 18 septembre 2006

S5 E3 • Episode 3

Zaf goes deep undercover to infiltrate an Al Qaeda cell that is planning an attack on the UK. When Adam learns that the terrorists are on a suicide mission he tries to prevent them from reaching their target, but events soon spiral out of control.

Première diffusion : 25 septembre 2006

S5 E4 • Episode 4

Posted undercover at the World Trade Summit for Africa, the team discovers an assassination plot. Initially determined to put their lives on the line to prevent the murder, they are faced with a moral dilemma on discovering the motivate behind the plot.

Première diffusion : 2 octobre 2006

S5 E5 • Episode 5

The government publishes its report on the investigation into death of seven terrorist suspects in a fire at a prison. Harry suspects a cover up, then discovers that one of his team has been implicated.

Première diffusion : 9 octobre 2006

S5 E6 • Episode 6

Adam and Zaf try to find a group of terrorists who have infiltrated Britain. Ros oversees a visit by a delegation of Saudi princes offering a guaranteed oil supply in exchange for nuclear expertise, but the Saudi Trade Centre is attacked by terrorists.

Première diffusion : 16 octobre 2006

S5 E7 • Episode 7

The terrorists start to execute hostages in pursuit of their demand for the release of Al Qaeda prisoners held in Saudi Arabia, but suspicion arises as to the true identity of the terrorists.

Première diffusion : 23 octobre 2006

S5 E8 • Episode 8

MI5 investigate the assassination of a Muslim cleric outside the high court, and uncover a radicalised Christian who is determined to incite a religious war.

Première diffusion : 30 octobre 2006

S5 E9 • Episode 9

MI-5 is put in charge of protecting Niko Grecic, the former right-hand of Tezlia, a Serbian who is put on trial for war crimes. They know that Richard Dempsey, a former MI-6 agent who turned on them, is looking for Grecic to kill him before he can testify. Adam, Jo and Zafar must protect Grecic at all costs.

Première diffusion : 6 novembre 2006

S5 E10 • Episode 10

An environmental terrorist group is threatening to flood London if the government does not make a secret document public.

Première diffusion : 13 novembre 2006