The hit police corruption drama from the makers of Bodyguard.
Steve Arnott realises the target in his anti-corruption case is the city's top detective.
A brutal ambush on a police convoy leaves three officers dead.
Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.
DCI Roz Huntley is under intense pressure from her superiors to apprehend a murderer.
AC-12 investigate possible police collusion with the hijackers of a drugs transport.
