6/6. Thriller series. Following Gabriel's discovery of a crucial piece of evidence, the hunt is on to track down the killer as the truth is finally pieced together. Also in HD. [AD,S]
5/6. Thriller series. As Gabriel's investigation is lent a helping hand, the story of the acid murderer's first victim is revealed, and another suspect enters the frame. Also in HD. [AD,S]
4/6. Thriller series. With pressure mounting from all sides, the killer's sights turn towards Gabriel and the tension ratchets up as the hunter becomes the hunted. Also in HD. [AD,S]
3/6. Thriller series. Another body is discovered, but Gabriel is pulled away from the case by a personal mission that strikes straight to the heart of his family. Also in HD. [AD,S]
2/6. Thriller series. Gabriel comes face to face with the prime suspect, but his connection to the case could risk jeopardising his career. Also in HD. [AD,S]
1/6. Thriller series. DCI Gabriel Markham and his team are working to find a serial killer when a break in the case leads them to a potential culprit. Also in HD. [AD,S]