As Leila waits to hear if Callum has blown her cover, taxi-driver Barry drives into a young woman who flees the scene of the accident. Barry’s bad day gets worse…

A new ruling force is running London, but not everyone is happy with their methods and a rebellion is brewing.

Billy Wallace returns to London to seek revenge. Meanwhile, someone is picking off more of Koba’s associates.

As Luan faces a desperate race against time, Ed starts to question where his own loyalties lie, and events reach an explosive climax.