All 76 episodes of the action drama series based on the novel by former Special Forces operative Chris Ryan. The first series follows ex-SAS Sergeant John Porter Richard Armitage and MI6 officer Hugh Collinson Andrew Lincoln seven years after they participated in an operation in which two soldiers were killed. The second series, 'Project Dawn', follows the efforts of Section 20 agents Michael Stonebridge Philip Winchester and Damien Scott Sullivan Stapleton, as they try to put an end to an international terrorist group after Porter is kidnapped. The third series, 'Vengeance', finds Section 20 in Africa trying to stop billionaire Conrad Knox Charles Dance who aims to use stolen Libyan nuclear devices to further his plans for domination. In the fourth series, 'Shadow Warfare', following the execution of a Section 20 operative in Lebanon by Leo Kamali Zubin Varla, a member of Al-Zuhari's terrorist organisation, Scott and Stonebridge travel to Colombia to try and take him alive. In the fif