1Episode 1
Newly-promoted to the murder team, Detective Jo Marshall investigates a perplexing double murder while working in secret.
2Episode 2
As Jo and Sam struggle to find a link between Xav Palmer and Todd Drake, the discovery of the murder weapon shifts attention to the prominent landowning Benson family.
3Episode 3
When Jo discovers that the two dead men and an accomplice targeted a nearby chemical company, she must find this third person before it's too late.
4Episode 4
Jo and Sam find themselves with two surprising suspects in custody while the pressure mounts on Sergeant Mackie when he makes a discovery that turns everything on its head.
5Episode 5
Donna makes some interesting admissions whilst being questioned, Sergeant Mackie's acts become apparent and Jo takes matters into her own hands.
6Episode 6
Declan is located and Sergeant Mackie catches up with Jo.