During a handover to the head of counter-terrorism of MI5 Harry Pearce, terrorist Adam Qasim escapes from MI5 custody. When Harry disappears soon after, his protégé Will Crombie is tasked with finding out what happened as an impending attack on London looms. Crombie eventually uncovers a deadly conspiracy.
Cast: Amelia Donkor, Amra Mallassi, Brian Hanford, Cosmo Jarvis, Dario Parlato, David Harewood, David Wurawa, Derek Horsham, Dominic Garfield, Don Gayle, Eleanor Matsuura, Elizabeth Conboy, Elliot Levey, Elyes Gabel, Geoffrey Streatfeild, Graham Curry, Guy Warren-Thomas, Hugh Simon, Jason Thomas Brown, Jennifer Ehle, Kit Harington, Lara Pulver, Larissa Kouznetsova, Lasco Atkins, Laura Swift, Lee Asquith-Coe, Luke Harris, Maria Teresa Creasey, Max Cavenham, Michael Wildman, Natasha Radski, Oliver Gilbert, Paul Blackwell, Peter Firth, Ronan Summers, Russell Wilcox, Shane Zaza, Shina Shihoko Nagai, Tim McInnerny, Tuppence Middleton
Director: Bharat Nalluri, Richard Oxford, Stuart Renfrew, Tom Ackerley
Country: United Kingdom