Episode 1
Episode 1
In the aftermath of the devastating 7/7 London bombings, another terrorist cell plots an attack.
Episode 2
Episode 2
A police surveillance operation ends in tragedy after an innocent tube passenger is shot dead.
Episode 3
Episode 3
As the Met grapples with the fall-out from the shooting, a secretary makes a life-changing decision.
Episode 4
Episode 4
With the police force engulfed in crisis, senior officers are confronted with hard truths.