1. After the Fall (1)

7.4

. 4 January 2016. 60 min

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

2. After the Fall (2)

7.8

. 5 January 2016. 60 min

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

3. Flight (1)

7.8

. 11 January 2016. 60 min

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

4. Flight (2)

7.4

. 12 January 2016. 60 min

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

5. Life Licence (1)

7.8

. 18 January 2016. 60 min

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

6. Life Licence (2)

7.8

. 19 January 2016. 60 min

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

7. In Plain Sight (1)

7.6

. 25 January 2016. 60 min

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

8. In Plain Sight (2)

8.2

. 26 January 2016. 60 min

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

9. River's Edge (1)

8

. 1 February 2016. 60 min

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

10. River's Edge (2)

8

. 2 February 2016. 60 min

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