M.I.5 / Spooks - staring Kit Harrington, Jennifer Ehle and Tuppence Middleton.

"When charismatic terrorist Adam Qasim (Elyes Gabel) escapes from MI5 custody during a high profile handover, the legendary Harry Pearce (Peter Firth), Head of Counter-terrorism, is blamed. Disgraced and forced to resign, no-one’s surprised when Harry disappears one night off a bridge into the Thames…