Spooks

Lucas tracks a Somali terrorist on a ship destined for Plymouth, but when it emerges the vessel is carrying an explosive payload, the team races to prevent a disaster.

Beth Bailey is tasked with protecting an oil baron, but Harry and Lucas's suspicions are raised and they soon discover he is planning an attack using a deadly nerve agent.

The team tries to prevent a member of the Azakstan Freedom Front from releasing a lethal nerve agent in London.

Three highly skilled Chinese agents arrive in London, so the team sets out to discover the purpose of their visit.

The US president travels to London to chair peace talks between negotiators from Palestine and Israel, but it soon emerges that his life is in danger.

A White House representative visits the UK to install an American security system, unaware it will allow foreign hackers to access all of MI5 and the CIA's information.

Ruth is drawn into a dangerous situation involving the death of a Mafia leader, and Lucas has a confrontation with Harry destined to change Section D for ever.

Harry instructs the team to find Lucas, who is desperately trying to flee the country, and the hunt culminates in a showdown between the pair.