Aired: 1/4/2016
Nikki arrives at a murder scene to find it's a carbon copy of a case in her past.
Aired: 1/5/2016
Nikki becomes the prime suspect after a former colleague is murdered.
Aired: 1/11/2016
A young British Muslim returns to the UK, and concerns over her intentions soon escalate.
Aired: 1/12/2016
Thomas must put his personal feelings aside as the team track down Begovic.
Aired: 1/18/2016
An ex-convict is killed and suspicion lands on a recently released child killer.
Aired: 1/19/2016
Further victims are killed and a distinctive modus operandi begins to become clear.
Aired: 1/25/2016
The shooting of a teenager in an armed police operation triggers a series of murders.
Aired: 1/26/2016
Jack leads the hunt for suspected killer Bruno, the brother of the shot teenager.
Aired: 2/1/2016
A family murdered at a picnic leads the team to the female victim's estranged husband.
Aired: 2/2/2016
As Nikki and Jack move closer to the truth, their lives are thrown into mortal danger.
