Series 19

4 gen 2016 · 1 h

Nikki arrives at a murder scene to find it's a carbon copy of a case in her past.

5 gen 2016 · 1 h

Nikki becomes the prime suspect after a former colleague is murdered.

11 gen 2016 · 1 h

A young British Muslim returns to the UK, and concerns over her intentions soon escalate.

12 gen 2016 · 1 h

Thomas must put his personal feelings aside as the team track down Begovic.

18 gen 2016 · 1 h

An ex-convict is killed and suspicion lands on a recently released child killer.

19 gen 2016 · 1 h

Further victims are killed and a distinctive modus operandi begins to become clear.

25 gen 2016 · 1 h

The shooting of a teenager in an armed police operation triggers a series of murders.

26 gen 2016 · 1 h

Jack leads the hunt for suspected killer Bruno, the brother of the shot teenager.

1 feb 2016 · 1 h

A family murdered at a picnic leads the team to the female victim's estranged husband.

2 feb 2016 · 1 h

As Nikki and Jack move closer to the truth, their lives are thrown into mortal danger.